Investar

30.32

-0.0150-0.05%

Volume:54.33K

Turnover:1.65M

Market Cap:417.31M

PE:12.27

High:30.51

Open:30.51

Low:30.20

Close:30.33

52wk High:31.77

52wk Low:21.43

Shares:13.77M

Float Shares:12.40M

Volume Ratio:0.69

T/O Rate:0.44%

Dividend:0.45

Dividend Rate:1.48%

EPS(TTM):2.47

EPS(LYR):2.13

ROE:9.94%

ROA:1.02%

PB:1.07

PE(LYR):14.23

Loading ...

Overview Company News Filings

Mar 10, 2021

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Tiger Brokers | Global Stocks, Options & Futures Trading App","description":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","keywords":"tiger brokers,tiger trade,tiger brokers singapore,broker online,stock trading in singapore,share trading singapore,brokerage firm singapore,trading app,stock broker singapore,stock trading platforms,trading account","social":{"ogDescription":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.0a0bd8dc.png","ogUrl":"https://www.atigrnexa.com/stock/ISTR/filings?page=7"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"ISTR","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"ISTR\",,,,,undefined,":{"symbol":"ISTR","market":"US","secType":"STK","nameCN":"Investar","latestPrice":30.315,"timestamp":1789669897236,"preClose":30.33,"halted":0,"volume":54330,"delay":0,"changeRate":-0.0004945598417407523,"floatShares":12400581,"shares":13765800,"eps":2.470113,"marketStatus":"Trading","change":-0.015,"latestTime":"09-17 14:31:37 EDT","open":30.51,"high":30.51,"low":30.2,"amount":1649905.66425,"amplitude":0.010221,"askPrice":30.33,"askSize":118,"bidPrice":30.3,"bidSize":157,"shortable":3,"etf":0,"ttmEps":2.470113,"tradingStatus":2,"nextMarketStatus":{"tag":"Post-Mkt","tradingStatus":3,"beginTime":1789675200000},"marketStatusCode":2,"adr":0,"adrRate":0,"listingDate":1404187200000,"exchange":"NASDAQ","adjPreClose":30.33,"dividendRate":0.014844,"preHourTrading":{"tag":"盘前","latestPrice":30.51,"preClose":30.33,"latestTime":"09:29 EDT","volume":2,"amount":61.02,"timestamp":1789651741092,"change":0.18,"changeRate":0.005935,"amplitude":0},"postHourTrading":{"tag":"盘后","latestPrice":30.33,"preClose":30.33,"latestTime":"17:33 EDT","volume":2478,"amount":75157.32,"timestamp":1789594387359,"change":0,"changeRate":0,"amplitude":0},"volumeRatio":0.68756},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"ISTR\",,,,,undefined,":{"symbol":"ISTR","floatShares":12400581,"roa":"1.02%","roe":"9.94%","lyrEps":2.13,"volumeRatio":0.68756,"shares":13765800,"dividePrice":0.45,"high":30.51,"amplitude":0.010221,"preClose":30.33,"low":30.2,"week52Low":21.43,"pbRate":"1.07","psRate":"3.43","week52High":31.77,"institutionHeld":0,"latestPrice":30.315,"committee":0.141818,"eps":2.470113,"divideRate":0.014844,"volume":54330,"delay":0,"ttmEps":2.470113,"open":30.51,"prevYearClose":26.72,"prevWeekClose":30.87,"prevMonthClose":30.13,"prevQuarterClose":29.96,"fiveDayClose":30.67,"twentyDayClose":29.85,"sixtyDayClose":29.88,"dividendPayoutRate":0.19570087907935108,"dividendFrequency":"Q","dividendGrowthYears":10,"dividendGrowthRate":0.06097560975609762,"fiveYearAvgDividendRate":0.019015700024512357},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/ISTR\",params:#limit:5,,,undefined,":[{"date":"2026-09-30","symbol":"ISTR","amount":0.12,"announcedDate":"2026-09-16","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-09-30","defaultRemindTime":1790775000000,"name":"Investar Holding Corporation","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-10-30","payableDate":"2026-09-30","currency":"USD","dateTimestamp":1790740800000,"payDate":"2026-10-30"},{"market":"US","date":"2026-07-20","symbol":"ISTR","fiscalQuarterEnding":"2026/06","expectedEps":0.7,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1784520000000,"reportTimeType":"pre","actualEps":0.75},{"date":"2026-06-30","symbol":"ISTR","amount":0.12,"announcedDate":"2026-06-17","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-06-30","defaultRemindTime":1782826200000,"name":"Investar Holding Corporation","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-07-31","payableDate":"2026-06-30","currency":"USD","dateTimestamp":1782792000000,"payDate":"2026-07-31"},{"market":"US","date":"2026-04-20","symbol":"ISTR","fiscalQuarterEnding":"2026/03","expectedEps":0.69,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1776657600000,"reportTimeType":"pre","actualEps":0.87},{"date":"2026-03-31","symbol":"ISTR","amount":0.11,"announcedDate":"2026-03-19","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-03-31","defaultRemindTime":1774963800000,"name":"Investar Holding Corporation","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-04-30","payableDate":"2026-03-31","currency":"USD","dateTimestamp":1774929600000,"payDate":"2026-04-30"}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"ISTR\",market:\"US\",,,undefined,":[{"executeDate":"2016-10-03","recordDate":"2016-10-05","paymentDate":"2016-10-31","value":0.011,"currency":"USD"},{"executeDate":"2016-12-30","recordDate":"2017-01-04","paymentDate":"2017-01-31","value":0.0121,"currency":"USD"},{"executeDate":"2017-03-27","recordDate":"2017-03-29","paymentDate":"2017-04-28","value":0.02,"currency":"USD"},{"executeDate":"2017-06-30","recordDate":"2017-07-05","paymentDate":"2017-07-31","value":0.022,"currency":"USD"},{"executeDate":"2017-10-03","recordDate":"2017-10-04","paymentDate":"2017-10-31","value":0.03,"currency":"USD"}],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"ISTR\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0,"buy":0.6667,"hold":0.3333,"sell":0,"strongSell":0,"meanLabel":"BUY","meanPercent":0.6667,"analysts":3,"updateTime":1777003200000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/ISTR\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"ISTR","date":"2026-09-16","current":12.262597,"percent":0.671509,"low":3.5406,"twenty":6.352414,"median":10.274318,"eighty":15.980014,"high":35.19815,"avg":12.055475,"sd":7.117284,"marketCap":423919090},"quantilePoints":[{"date":"2021-09-17","current":11.252967,"twenty":12.590757,"median":15.885975,"eighty":27.334321,"marketCap":225678257},{"date":"2021-09-24","current":11.252967,"twenty":12.564714,"median":15.885975,"eighty":27.334321,"marketCap":225678257},{"date":"2021-10-01","current":11.372514,"twenty":12.521392,"median":15.885975,"eighty":27.334321,"marketCap":228075763},{"date":"2021-10-08","current":11.26856,"twenty":12.479685,"median":15.885975,"eighty":27.334321,"marketCap":225990975},{"date":"2021-10-15","current":9.496153,"twenty":12.436113,"median":15.885975,"eighty":27.334321,"marketCap":190445347},{"date":"2021-10-22","current":34.321167,"twenty":12.378949,"median":15.892785,"eighty":27.341906,"marketCap":192335820},{"date":"2021-10-29","current":34.514968,"twenty":12.378949,"median":15.937272,"eighty":27.392205,"marketCap":193421879},{"date":"2021-11-05","current":34.01688,"twenty":12.378949,"median":15.953864,"eighty":27.447106,"marketCap":190630594},{"date":"2021-11-12","current":33.924593,"twenty":12.378949,"median":16.01421,"eighty":27.508099,"marketCap":190113419},{"date":"2021-11-19","current":33.481617,"twenty":12.378949,"median":16.061928,"eighty":27.529915,"marketCap":187630981},{"date":"2021-11-26","current":33.149385,"twenty":12.378949,"median":16.061928,"eighty":27.57332,"marketCap":185769152},{"date":"2021-12-03","current":32.983269,"twenty":12.378949,"median":16.061928,"eighty":27.62593,"marketCap":184838237},{"date":"2021-12-10","current":33.333958,"twenty":12.378949,"median":16.061928,"eighty":27.630086,"marketCap":186803501},{"date":"2021-12-17","current":32.300347,"twenty":12.378949,"median":16.061928,"eighty":27.69108,"marketCap":181011145},{"date":"2021-12-23","current":32.761781,"twenty":12.378949,"median":16.061928,"eighty":27.752073,"marketCap":183597018},{"date":"2021-12-31","current":33.979965,"twenty":12.378949,"median":16.061928,"eighty":27.795089,"marketCap":190423724},{"date":"2022-01-07","current":33.998422,"twenty":12.379041,"median":16.085113,"eighty":27.813067,"marketCap":190527159},{"date":"2022-01-14","current":34.865917,"twenty":12.379041,"median":16.085113,"eighty":27.852398,"marketCap":195388601},{"date":"2022-01-21","current":34.386027,"twenty":12.379041,"median":16.085113,"eighty":27.87462,"marketCap":192699293},{"date":"2022-01-28","current":24.695092,"twenty":12.379041,"median":16.085113,"eighty":27.911597,"marketCap":197560735},{"date":"2022-02-04","current":25.45146,"twenty":12.379041,"median":16.085113,"eighty":27.911597,"marketCap":203611679},{"date":"2022-02-11","current":25.664794,"twenty":12.379041,"median":16.085113,"eighty":27.911597,"marketCap":205318355},{"date":"2022-02-18","current":26.026817,"twenty":12.379041,"median":16.085113,"eighty":27.911597,"marketCap":208214534},{"date":"2022-02-25","current":26.013887,"twenty":12.379041,"median":16.085113,"eighty":27.911597,"marketCap":208111099},{"date":"2022-03-04","current":26.350051,"twenty":12.379041,"median":16.085113,"eighty":27.911597,"marketCap":210800407},{"date":"2022-03-11","current":25.19558,"twenty":12.379041,"median":16.085113,"eighty":27.911597,"marketCap":201564644},{"date":"2022-03-18","current":25.105366,"twenty":12.379041,"median":16.085113,"eighty":27.911597,"marketCap":200842929},{"date":"2022-03-25","current":24.705845,"twenty":12.379041,"median":16.085113,"eighty":27.911597,"marketCap":197646764},{"date":"2022-04-01","current":24.383651,"twenty":12.379041,"median":16.085113,"eighty":27.911597,"marketCap":195069211},{"date":"2022-04-08","current":24.319212,"twenty":12.379041,"median":16.085113,"eighty":27.911597,"marketCap":194553700},{"date":"2022-04-14","current":24.125896,"twenty":12.379041,"median":16.085113,"eighty":27.911597,"marketCap":193007168},{"date":"2022-04-22","current":15.591131,"twenty":12.379041,"median":16.059423,"eighty":27.911597,"marketCap":198677785},{"date":"2022-04-29","current":15.939039,"twenty":12.379041,"median":15.979783,"eighty":27.911597,"marketCap":203111176},{"date":"2022-05-06","current":16.145054,"twenty":12.379041,"median":15.979783,"eighty":27.911597,"marketCap":205736417},{"date":"2022-05-13","current":16.072328,"twenty":12.379041,"median":15.979783,"eighty":27.911597,"marketCap":204809677},{"date":"2022-05-20","current":16.072328,"twenty":12.379041,"median":15.979783,"eighty":27.911597,"marketCap":204809677},{"date":"2022-05-27","current":17.607643,"twenty":12.379041,"median":15.979783,"eighty":27.911597,"marketCap":224374201},{"date":"2022-06-03","current":18.278334,"twenty":12.379041,"median":15.979783,"eighty":27.911597,"marketCap":232920809},{"date":"2022-06-10","current":18.149044,"twenty":12.379041,"median":15.979783,"eighty":27.909708,"marketCap":231273270},{"date":"2022-06-17","current":17.454112,"twenty":12.379041,"median":15.979783,"eighty":27.883426,"marketCap":222417748},{"date":"2022-06-24","current":17.534918,"twenty":12.378949,"median":15.957277,"eighty":27.875179,"marketCap":223447460},{"date":"2022-07-01","current":18.076319,"twenty":12.378949,"median":15.957277,"eighty":27.831409,"marketCap":230346529},{"date":"2022-07-08","current":18.213689,"twenty":12.378949,"median":15.957277,"eighty":27.812164,"marketCap":232097039},{"date":"2022-07-15","current":17.712691,"twenty":12.378949,"median":15.957277,"eighty":27.764676,"marketCap":225712826},{"date":"2022-07-22","current":18.609639,"twenty":12.378949,"median":15.957277,"eighty":27.633692,"marketCap":237142627},{"date":"2022-07-29","current":13.369505,"twenty":12.378949,"median":15.939039,"eighty":27.62593,"marketCap":220048684},{"date":"2022-08-05","current":13.349112,"twenty":12.378949,"median":15.910599,"eighty":27.579661,"marketCap":219713029},{"date":"2022-08-12","current":13.933478,"twenty":12.378949,"median":15.837536,"eighty":27.558537,"marketCap":229331110},{"date":"2022-08-19","current":13.720428,"twenty":12.378949,"median":15.767887,"eighty":27.558537,"marketCap":225824518},{"date":"2022-08-26","current":13.33085,"twenty":12.378949,"median":15.736767,"eighty":27.558537,"marketCap":219412464},{"date":"2022-09-02","current":13.129974,"twenty":12.378949,"median":15.706647,"eighty":27.558537,"marketCap":216106249},{"date":"2022-09-09","current":12.752571,"twenty":12.378949,"median":15.702443,"eighty":27.558537,"marketCap":209894572},{"date":"2022-09-16","current":12.204728,"twenty":12.368795,"median":15.641202,"eighty":27.558537,"marketCap":200877621},{"date":"2022-09-23","current":12.332558,"twenty":12.357905,"median":15.60848,"eighty":27.522907,"marketCap":202981576},{"date":"2022-09-30","current":12.113421,"twenty":12.324129,"median":15.588847,"eighty":27.401345,"marketCap":199374796},{"date":"2022-10-07","current":12.362994,"twenty":12.28987,"median":15.538988,"eighty":26.94839,"marketCap":203482518},{"date":"2022-10-14","current":13.07519,"twenty":12.28987,"median":15.510314,"eighty":26.795669,"marketCap":215204554},{"date":"2022-10-21","current":12.509085,"twenty":12.28987,"median":15.490681,"eighty":26.566156,"marketCap":205887038},{"date":"2022-10-28","current":6.113542,"twenty":12.226717,"median":15.471632,"eighty":26.292064,"marketCap":206313712},{"date":"2022-11-04","current":6.450892,"twenty":12.185672,"median":15.457958,"eighty":26.026817,"marketCap":217698268},{"date":"2022-11-11","current":6.47434,"twenty":12.166652,"median":15.412147,"eighty":25.954412,"marketCap":218489539},{"date":"2022-11-18","current":6.491925,"twenty":12.105309,"median":15.383802,"eighty":25.641521,"marketCap":219082992},{"date":"2022-11-25","current":6.383482,"twenty":12.064856,"median":15.346703,"eighty":25.600148,"marketCap":215423366},{"date":"2022-12-02","current":6.401067,"twenty":11.953783,"median":15.310708,"eighty":25.284903,"marketCap":216016819},{"date":"2022-12-09","current":6.386413,"twenty":11.886254,"median":15.281259,"eighty":25.131142,"marketCap":215522275},{"date":"2022-12-16","current":6.307279,"twenty":11.867465,"median":15.248536,"eighty":24.919782,"marketCap":212851737},{"date":"2022-12-23","current":6.319002,"twenty":11.797491,"median":15.180588,"eighty":24.699393,"marketCap":213247372},{"date":"2022-12-30","current":6.31021,"twenty":11.78366,"median":15.090396,"eighty":24.633932,"marketCap":212950646},{"date":"2023-01-06","current":6.374689,"twenty":11.765236,"median":15.043718,"eighty":24.463154,"marketCap":215126640},{"date":"2023-01-13","current":6.316071,"twenty":11.750321,"median":14.877597,"eighty":24.357876,"marketCap":213148464},{"date":"2023-01-20","current":6.286763,"twenty":11.729258,"median":14.854963,"eighty":24.323608,"marketCap":212159376},{"date":"2023-01-27","current":5.906336,"twenty":11.696413,"median":14.787381,"eighty":24.288905,"marketCap":210909341},{"date":"2023-02-03","current":5.72055,"twenty":11.688078,"median":14.763649,"eighty":24.157583,"marketCap":204275103},{"date":"2023-02-10","current":5.637362,"twenty":11.667454,"median":14.70421,"eighty":24.115527,"marketCap":201304549},{"date":"2023-02-17","current":5.573584,"twenty":11.642004,"median":14.670292,"eighty":24.064298,"marketCap":199027124},{"date":"2023-02-24","current":5.520899,"twenty":11.632397,"median":14.665583,"eighty":24.019981,"marketCap":197145773},{"date":"2023-03-03","current":5.387798,"twenty":11.613945,"median":14.617237,"eighty":23.941474,"marketCap":192392887},{"date":"2023-03-10","current":5.076973,"twenty":11.587233,"median":14.588246,"eighty":23.745214,"marketCap":181293625},{"date":"2023-03-17","current":4.263658,"twenty":11.538839,"median":14.548093,"eighty":23.638852,"marketCap":152250961},{"date":"2023-03-24","current":4.219245,"twenty":11.505694,"median":14.507532,"eighty":23.443862,"marketCap":150665014},{"date":"2023-03-31","current":3.875043,"twenty":11.478321,"median":14.491943,"eighty":23.092862,"marketCap":138373921},{"date":"2023-04-06","current":3.773497,"twenty":11.455374,"median":14.47117,"eighty":22.938638,"marketCap":134747819},{"date":"2023-04-14","current":3.665366,"twenty":11.439044,"median":14.445429,"eighty":22.382013,"marketCap":130886566},{"date":"2023-04-21","current":4.020258,"twenty":11.395733,"median":14.385309,"eighty":21.921113,"marketCap":143559396},{"date":"2023-04-28","current":4.38189,"twenty":11.361274,"median":14.37296,"eighty":19.482982,"marketCap":128906436},{"date":"2023-05-05","current":3.816485,"twenty":11.312843,"median":14.330687,"eighty":19.16486,"marketCap":112273348},{"date":"2023-05-12","current":3.88716,"twenty":11.282074,"median":14.310203,"eighty":19.024982,"marketCap":114352484},{"date":"2023-05-19","current":3.87012,"twenty":11.252967,"median":14.274451,"eighty":18.945481,"marketCap":113851178},{"date":"2023-05-26","current":3.795954,"twenty":11.225122,"median":14.24352,"eighty":18.822555,"marketCap":111669361},{"date":"2023-06-02","current":3.782469,"twenty":11.211386,"median":14.232634,"eighty":18.710124,"marketCap":111272667},{"date":"2023-06-09","current":4.288146,"twenty":11.190207,"median":14.197007,"eighty":18.573706,"marketCap":126148692},{"date":"2023-06-16","current":3.897089,"twenty":11.173532,"median":14.168649,"eighty":18.434052,"marketCap":114644566},{"date":"2023-06-23","current":4.004967,"twenty":11.093937,"median":14.130189,"eighty":18.280774,"marketCap":117818118},{"date":"2023-06-30","current":4.072391,"twenty":10.993083,"median":14.114283,"eighty":18.221421,"marketCap":119801588},{"date":"2023-07-05","current":4.038679,"twenty":10.961897,"median":14.094067,"eighty":18.213689,"marketCap":118809853},{"date":"2023-07-12","current":3.883604,"twenty":10.920095,"median":14.064669,"eighty":18.079551,"marketCap":114247872},{"date":"2023-07-21","current":4.325229,"twenty":10.832196,"median":14.040812,"eighty":18.002923,"marketCap":127239600},{"date":"2023-07-28","current":5.215196,"twenty":10.765695,"median":14.022695,"eighty":17.877536,"marketCap":138520833},{"date":"2023-08-04","current":5.270717,"twenty":10.681613,"median":14.006386,"eighty":17.839153,"marketCap":139995504},{"date":"2023-08-11","current":5.326284,"twenty":10.57166,"median":13.980421,"eighty":17.750707,"marketCap":141471428},{"date":"2023-08-18","current":4.952445,"twenty":10.241801,"median":13.956265,"eighty":17.692158,"marketCap":131541884},{"date":"2023-08-25","current":4.874716,"twenty":9.932063,"median":13.93305,"eighty":17.633841,"marketCap":129477325},{"date":"2023-09-01","current":4.848806,"twenty":9.729691,"median":13.92607,"eighty":17.553085,"marketCap":128789139},{"date":"2023-09-08","current":4.626723,"twenty":9.589013,"median":13.915656,"eighty":17.524558,"marketCap":122890400},{"date":"2023-09-15","current":4.460161,"twenty":9.211288,"median":13.901913,"eighty":17.398263,"marketCap":118466345},{"date":"2023-09-22","current":4.326912,"twenty":8.687906,"median":13.86417,"eighty":17.248788,"marketCap":114927102},{"date":"2023-09-29","current":3.993788,"twenty":8.128678,"median":13.833006,"eighty":17.121469,"marketCap":106078993},{"date":"2023-10-06","current":4.119635,"twenty":7.925949,"median":13.817367,"eighty":17.06901,"marketCap":109421612},{"date":"2023-10-13","current":4.123336,"twenty":7.669938,"median":13.738859,"eighty":16.972184,"marketCap":109519924},{"date":"2023-10-20","current":4.004892,"twenty":7.157915,"median":13.718431,"eighty":16.8809,"marketCap":106373930},{"date":"2023-10-27","current":4.575215,"twenty":7.107538,"median":13.68498,"eighty":16.819457,"marketCap":100828583},{"date":"2023-11-03","current":4.708344,"twenty":6.67225,"median":13.612908,"eighty":16.699846,"marketCap":103762489},{"date":"2023-11-10","current":4.202715,"twenty":6.477271,"median":13.5439,"eighty":16.645598,"marketCap":92619439},{"date":"2023-11-17","current":4.495001,"twenty":6.450892,"median":13.43846,"eighty":16.58422,"marketCap":99060833},{"date":"2023-11-24","current":4.636715,"twenty":6.433307,"median":13.376853,"eighty":16.540113,"marketCap":102183933},{"date":"2023-12-01","current":4.87255,"twenty":6.398136,"median":13.30978,"eighty":16.448711,"marketCap":107381267},{"date":"2023-12-08","current":5.244298,"twenty":6.384068,"median":13.269979,"eighty":16.423162,"marketCap":115573843},{"date":"2023-12-15","current":6.248902,"twenty":6.376448,"median":13.200312,"eighty":16.314746,"marketCap":137713306},{"date":"2023-12-22","current":6.487883,"twenty":6.358276,"median":13.170109,"eighty":16.199917,"marketCap":142979962},{"date":"2023-12-29","current":6.678182,"twenty":6.354173,"median":13.120453,"eighty":16.147421,"marketCap":147173781},{"date":"2024-01-05","current":6.903886,"twenty":6.352414,"median":13.07519,"eighty":16.122558,"marketCap":152147845},{"date":"2024-01-12","current":7.28006,"twenty":6.352414,"median":12.90424,"eighty":16.10538,"marketCap":160437952},{"date":"2024-01-19","current":7.381848,"twenty":6.350656,"median":12.794099,"eighty":16.066088,"marketCap":162681157},{"date":"2024-01-26","current":7.532317,"twenty":6.352414,"median":12.77017,"eighty":16.010784,"marketCap":165997200},{"date":"2024-02-02","current":10.42724,"twenty":6.352414,"median":12.731067,"eighty":15.954547,"marketCap":173905515},{"date":"2024-02-09","current":10.000565,"twenty":6.352414,"median":12.675204,"eighty":15.939039,"marketCap":166789426},{"date":"2024-02-16","current":9.924582,"twenty":6.352414,"median":12.636916,"eighty":15.8909,"marketCap":165522177},{"date":"2024-02-23","current":9.638183,"twenty":6.352414,"median":12.608169,"eighty":15.81455,"marketCap":160745624},{"date":"2024-03-01","current":9.322561,"twenty":6.354173,"median":12.59141,"eighty":15.750198,"marketCap":155481668},{"date":"2024-03-08","current":9.392699,"twenty":6.354173,"median":12.569511,"eighty":15.736217,"marketCap":156651436},{"date":"2024-03-15","current":9.132084,"twenty":6.354173,"median":12.552252,"eighty":15.706647,"marketCap":152304899},{"date":"2024-03-22","current":9.513321,"twenty":6.354173,"median":12.511144,"eighty":15.643612,"marketCap":158663164},{"date":"2024-03-28","current":9.618894,"twenty":6.354173,"median":12.482478,"eighty":15.634658,"marketCap":160423914},{"date":"2024-04-05","current":9.413613,"twenty":6.352414,"median":12.450469,"eighty":15.589304,"marketCap":157000233},{"date":"2024-04-12","current":9.184871,"twenty":6.352414,"median":12.379133,"eighty":15.555794,"marketCap":153185274},{"date":"2024-04-19","current":9.208331,"twenty":6.352414,"median":12.362994,"eighty":15.511772,"marketCap":153576552},{"date":"2024-04-26","current":9.051069,"twenty":6.354173,"median":12.330422,"eighty":15.510314,"marketCap":159054441},{"date":"2024-05-03","current":9.073335,"twenty":6.354173,"median":12.292991,"eighty":15.510314,"marketCap":159445719},{"date":"2024-05-10","current":9.101168,"twenty":6.354173,"median":12.233499,"eighty":15.490681,"marketCap":159934817},{"date":"2024-05-17","current":8.995405,"twenty":6.354173,"median":12.196964,"eighty":15.477592,"marketCap":158076247},{"date":"2024-05-24","current":8.856243,"twenty":6.354173,"median":12.170577,"eighty":15.457958,"marketCap":155630760},{"date":"2024-05-31","current":8.865462,"twenty":6.354173,"median":12.113421,"eighty":15.43048,"marketCap":155792772},{"date":"2024-06-07","current":8.580202,"twenty":6.354173,"median":12.073832,"eighty":15.412147,"marketCap":150779881},{"date":"2024-06-14","current":8.390028,"twenty":6.354173,"median":11.957777,"eighty":15.383802,"marketCap":147437955},{"date":"2024-06-21","current":8.183074,"twenty":6.352414,"median":11.892811,"eighty":15.389137,"marketCap":143801152},{"date":"2024-06-28","current":8.613762,"twenty":6.352414,"median":11.868246,"eighty":15.389137,"marketCap":151369633},{"date":"2024-07-05","current":8.378841,"twenty":6.352414,"median":11.824711,"eighty":15.279248,"marketCap":147241371},{"date":"2024-07-12","current":9.21225,"twenty":6.352414,"median":11.786434,"eighty":15.098398,"marketCap":161886874},{"date":"2024-07-19","current":9.777179,"twenty":6.352414,"median":11.767168,"eighty":14.993038,"marketCap":171814363},{"date":"2024-07-26","current":12.237972,"twenty":6.352414,"median":11.757221,"eighty":14.860761,"marketCap":184585333},{"date":"2024-08-02","current":11.026001,"twenty":6.352414,"median":11.755752,"eighty":14.860761,"marketCap":166305174},{"date":"2024-08-09","current":10.569843,"twenty":6.352414,"median":11.736351,"eighty":14.860761,"marketCap":159424936},{"date":"2024-08-16","current":11.052067,"twenty":6.352414,"median":11.710363,"eighty":14.860761,"marketCap":166698330},{"date":"2024-08-23","current":11.938318,"twenty":6.352414,"median":11.690594,"eighty":14.860761,"marketCap":180065649},{"date":"2024-08-30","current":12.133814,"twenty":6.352414,"median":11.690594,"eighty":14.860761,"marketCap":183014322},{"date":"2024-09-06","current":11.619007,"twenty":6.352414,"median":11.689572,"eighty":14.860761,"marketCap":175249483},{"date":"2024-09-13","current":11.951351,"twenty":6.352414,"median":11.684374,"eighty":14.860761,"marketCap":180262227},{"date":"2024-09-20","current":12.772436,"twenty":6.352414,"median":11.684374,"eighty":14.860761,"marketCap":192646655},{"date":"2024-09-27","current":12.661655,"twenty":6.352414,"median":11.684374,"eighty":14.860761,"marketCap":190975740},{"date":"2024-10-04","current":12.322794,"twenty":6.352414,"median":11.684374,"eighty":14.860761,"marketCap":185864707},{"date":"2024-10-11","current":12.844118,"twenty":6.352414,"median":11.684374,"eighty":14.860761,"marketCap":193727835},{"date":"2024-10-18","current":13.306793,"twenty":6.352414,"median":11.684374,"eighty":14.860761,"marketCap":200706362},{"date":"2024-10-25","current":11.393217,"twenty":6.352414,"median":11.657666,"eighty":14.860761,"marketCap":201466251},{"date":"2024-11-01","current":11.565504,"twenty":6.352414,"median":11.649243,"eighty":14.860761,"marketCap":204512813},{"date":"2024-11-08","current":12.872592,"twenty":6.352414,"median":11.642793,"eighty":14.860761,"marketCap":227626045},{"date":"2024-11-15","current":13.111591,"twenty":6.352414,"median":11.642793,"eighty":14.860761,"marketCap":231852262},{"date":"2024-11-22","current":13.239428,"twenty":6.352414,"median":11.642793,"eighty":14.860761,"marketCap":234112797},{"date":"2024-11-29","current":13.239428,"twenty":6.352414,"median":11.642793,"eighty":14.860761,"marketCap":234112797},{"date":"2024-12-06","current":13.133823,"twenty":6.352414,"median":11.642793,"eighty":14.860761,"marketCap":232245399},{"date":"2024-12-13","current":12.811453,"twenty":6.352414,"median":11.642793,"eighty":14.857756,"marketCap":226544919},{"date":"2024-12-20","current":12.427943,"twenty":6.352414,"median":11.642793,"eighty":14.813932,"marketCap":219763314},{"date":"2024-12-27","current":12.216735,"twenty":6.352414,"median":11.642793,"eighty":14.813932,"marketCap":216028517},{"date":"2025-01-03","current":11.799876,"twenty":6.352414,"median":11.642793,"eighty":14.813932,"marketCap":208657207},{"date":"2025-01-10","current":10.382557,"twenty":6.350656,"median":11.632397,"eighty":14.817283,"marketCap":183594754},{"date":"2025-01-17","current":11.182925,"twenty":6.350656,"median":11.616504,"eighty":14.817283,"marketCap":197747669},{"date":"2025-01-24","current":9.448904,"twenty":6.350656,"median":11.602412,"eighty":14.817283,"marketCap":191359201},{"date":"2025-01-31","current":9.254782,"twenty":6.350656,"median":11.573681,"eighty":14.715637,"marketCap":187427835},{"date":"2025-02-07","current":9.439198,"twenty":6.350656,"median":11.55152,"eighty":14.599626,"marketCap":191162632},{"date":"2025-02-14","current":9.424639,"twenty":6.350656,"median":11.521854,"eighty":14.488903,"marketCap":190867780},{"date":"2025-02-21","current":9.004849,"twenty":6.350656,"median":11.499668,"eighty":14.329578,"marketCap":182366203},{"date":"2025-02-28","current":9.089778,"twenty":6.350656,"median":11.477966,"eighty":14.235917,"marketCap":184086175},{"date":"2025-03-07","current":8.507411,"twenty":6.348897,"median":11.45551,"eighty":14.212461,"marketCap":172292079},{"date":"2025-03-14","current":8.32064,"twenty":6.348897,"median":11.449277,"eighty":14.212461,"marketCap":168509605},{"date":"2025-03-21","current":8.602038,"twenty":6.348897,"median":11.449277,"eighty":14.212461,"marketCap":174208473},{"date":"2025-03-28","current":8.660258,"twenty":6.362379,"median":11.449277,"eighty":14.212461,"marketCap":175387549},{"date":"2025-04-04","current":8.053798,"twenty":6.362379,"median":11.449277,"eighty":14.212461,"marketCap":163105507},{"date":"2025-04-11","current":7.584174,"twenty":6.366483,"median":11.448664,"eighty":14.210786,"marketCap":153594700},{"date":"2025-04-17","current":7.86058,"twenty":6.366483,"median":11.448664,"eighty":14.210786,"marketCap":159192460},{"date":"2025-04-25","current":8.203278,"twenty":6.362379,"median":11.449277,"eighty":14.212461,"marketCap":179143175},{"date":"2025-05-02","current":8.70249,"twenty":6.362379,"median":11.44805,"eighty":14.212461,"marketCap":190044980},{"date":"2025-05-09","current":8.835929,"twenty":6.362379,"median":11.44805,"eighty":14.212461,"marketCap":192959020},{"date":"2025-05-16","current":8.732242,"twenty":6.362379,"median":11.44805,"eighty":14.212461,"marketCap":190694705},{"date":"2025-05-23","current":8.394133,"twenty":6.362379,"median":11.44805,"eighty":14.212461,"marketCap":183311069},{"date":"2025-05-30","current":8.535379,"twenty":6.362379,"median":11.44805,"eighty":14.212461,"marketCap":186395614},{"date":"2025-06-06","current":8.386977,"twenty":6.362379,"median":11.445281,"eighty":14.212461,"marketCap":183154805},{"date":"2025-06-13","current":8.655604,"twenty":6.362379,"median":11.421818,"eighty":14.212461,"marketCap":189021081},{"date":"2025-06-20","current":8.23184,"twenty":6.358276,"median":11.398447,"eighty":14.214137,"marketCap":179766924},{"date":"2025-06-27","current":8.628555,"twenty":6.358276,"median":11.395329,"eighty":14.214137,"marketCap":188430390},{"date":"2025-07-03","current":10.111729,"twenty":6.358276,"median":11.367316,"eighty":14.214137,"marketCap":220819940},{"date":"2025-07-11","current":9.994518,"twenty":6.358276,"median":11.365085,"eighty":14.214137,"marketCap":218260280},{"date":"2025-07-18","current":9.962961,"twenty":6.358276,"median":11.360879,"eighty":14.214137,"marketCap":217571140},{"date":"2025-07-25","current":9.649898,"twenty":6.358276,"median":11.348517,"eighty":14.214137,"marketCap":214951479},{"date":"2025-08-01","current":9.585845,"twenty":6.358276,"median":11.336176,"eighty":14.214137,"marketCap":213524701},{"date":"2025-08-08","current":9.41964,"twenty":6.358276,"median":11.291428,"eighty":14.214137,"marketCap":209822483},{"date":"2025-08-15","current":9.935845,"twenty":6.358276,"median":11.26004,"eighty":14.214137,"marketCap":221320952},{"date":"2025-08-22","current":9.860841,"twenty":6.358276,"median":11.211386,"eighty":14.214137,"marketCap":219650234},{"date":"2025-08-29","current":10.416754,"twenty":6.358276,"median":11.192719,"eighty":14.214137,"marketCap":232033201},{"date":"2025-09-05","current":10.315278,"twenty":6.354173,"median":11.174079,"eighty":14.215812,"marketCap":229772818},{"date":"2025-09-12","current":10.134386,"twenty":6.358276,"median":11.102332,"eighty":14.214137,"marketCap":225743440},{"date":"2025-09-19","current":10.381458,"twenty":6.358276,"median":11.025083,"eighty":14.214137,"marketCap":231246981},{"date":"2025-09-26","current":10.279982,"twenty":6.358276,"median":11.025083,"eighty":14.214137,"marketCap":228986598},{"date":"2025-10-03","current":10.015261,"twenty":6.358276,"median":11.025083,"eighty":14.214137,"marketCap":223089947},{"date":"2025-10-10","current":10.077029,"twenty":6.358276,"median":10.941796,"eighty":14.214137,"marketCap":224465832},{"date":"2025-10-17","current":9.503468,"twenty":6.358276,"median":10.648041,"eighty":14.214137,"marketCap":211689756},{"date":"2025-10-24","current":9.943846,"twenty":6.358276,"median":10.543776,"eighty":14.214137,"marketCap":229434368},{"date":"2025-10-31","current":10.276018,"twenty":6.358276,"median":10.472163,"eighty":14.214137,"marketCap":237098556},{"date":"2025-11-07","current":10.021755,"twenty":6.358276,"median":10.399655,"eighty":14.214137,"marketCap":231231952},{"date":"2025-11-14","current":10.153564,"twenty":6.358276,"median":10.326308,"eighty":14.214137,"marketCap":234273187},{"date":"2025-11-21","current":9.996243,"twenty":6.358276,"median":10.283473,"eighty":14.214137,"marketCap":230643326},{"date":"2025-11-28","current":10.54474,"twenty":6.358276,"median":10.278,"eighty":14.156177,"marketCap":243298788},{"date":"2025-12-05","current":11.110244,"twenty":6.358276,"median":10.278,"eighty":14.118005,"marketCap":256346666},{"date":"2025-12-12","current":11.539687,"twenty":6.358276,"median":10.278,"eighty":14.111936,"marketCap":266255205},{"date":"2025-12-19","current":11.769291,"twenty":6.358276,"median":10.278,"eighty":14.065025,"marketCap":271552840},{"date":"2025-12-26","current":11.607718,"twenty":6.358276,"median":10.278,"eighty":13.987511,"marketCap":267824875},{"date":"2026-01-02","current":11.361107,"twenty":6.358276,"median":10.278,"eighty":13.943217,"marketCap":262134823},{"date":"2026-01-09","current":16.216079,"twenty":6.358276,"median":10.278,"eighty":13.943217,"marketCap":374153601},{"date":"2026-01-16","current":16.478591,"twenty":6.358276,"median":10.278,"eighty":13.943217,"marketCap":380210539},{"date":"2026-01-23","current":16.978824,"twenty":6.358276,"median":10.278,"eighty":13.943217,"marketCap":388882974},{"date":"2026-01-30","current":16.940635,"twenty":6.358276,"median":10.278,"eighty":14.008771,"marketCap":388008295},{"date":"2026-02-06","current":17.811387,"twenty":6.358276,"median":10.278,"eighty":14.618226,"marketCap":407952004},{"date":"2026-02-13","current":17.691283,"twenty":6.358276,"median":10.278,"eighty":15.357735,"marketCap":405201147},{"date":"2026-02-20","current":17.679273,"twenty":6.358276,"median":10.278,"eighty":15.524131,"marketCap":404926062},{"date":"2026-02-27","current":17.505122,"twenty":6.358276,"median":10.278,"eighty":15.59571,"marketCap":400937320},{"date":"2026-03-06","current":16.736458,"twenty":6.358276,"median":10.278,"eighty":15.729902,"marketCap":383331839},{"date":"2026-03-13","current":16.117924,"twenty":6.358276,"median":10.278,"eighty":15.729902,"marketCap":369164928},{"date":"2026-03-20","current":16.142952,"twenty":6.358276,"median":10.278,"eighty":15.729902,"marketCap":369738172},{"date":"2026-03-27","current":16.214992,"twenty":6.358276,"median":10.278,"eighty":15.748689,"marketCap":371388175},{"date":"2026-04-02","current":16.509155,"twenty":6.358276,"median":10.278,"eighty":15.864854,"marketCap":378125687},{"date":"2026-04-10","current":17.235558,"twenty":6.358276,"median":10.278,"eighty":15.927928,"marketCap":394763217},{"date":"2026-04-17","current":16.874241,"twenty":6.358276,"median":10.278,"eighty":15.950662,"marketCap":386487607},{"date":"2026-04-24","current":13.153378,"twenty":6.358276,"median":10.278,"eighty":15.969753,"marketCap":376646977},{"date":"2026-05-01","current":13.29734,"twenty":6.358276,"median":10.278,"eighty":15.969753,"marketCap":380769344},{"date":"2026-05-08","current":13.662046,"twenty":6.358276,"median":10.278,"eighty":15.969753,"marketCap":391212675},{"date":"2026-05-15","current":13.425082,"twenty":6.358276,"median":10.278,"eighty":15.969753,"marketCap":384427213},{"date":"2026-05-22","current":13.767091,"twenty":6.358276,"median":10.278,"eighty":15.969753,"marketCap":394220659},{"date":"2026-05-29","current":13.62258,"twenty":6.354173,"median":10.276018,"eighty":15.973799,"marketCap":390082583},{"date":"2026-06-05","current":13.791176,"twenty":6.358276,"median":10.278,"eighty":15.969753,"marketCap":394910338},{"date":"2026-06-12","current":14.345136,"twenty":6.358276,"median":10.278,"eighty":15.969753,"marketCap":410772961},{"date":"2026-06-18","current":14.046479,"twenty":6.358276,"median":10.278,"eighty":15.969753,"marketCap":402220938},{"date":"2026-06-26","current":14.190991,"twenty":6.354173,"median":10.276018,"eighty":15.973799,"marketCap":406359014},{"date":"2026-07-02","current":14.552268,"twenty":6.354173,"median":10.276018,"eighty":15.973799,"marketCap":416704202},{"date":"2026-07-10","current":13.954956,"twenty":6.354173,"median":10.276018,"eighty":15.973799,"marketCap":399600157},{"date":"2026-07-17","current":14.547451,"twenty":6.354173,"median":10.276018,"eighty":15.973799,"marketCap":416566267},{"date":"2026-07-24","current":12.017759,"twenty":6.354173,"median":10.276018,"eighty":15.973799,"marketCap":403952928},{"date":"2026-07-31","current":12.226799,"twenty":6.352414,"median":10.274318,"eighty":15.980014,"marketCap":410979394},{"date":"2026-08-07","current":12.345665,"twenty":6.352414,"median":10.274318,"eighty":15.980014,"marketCap":414974836},{"date":"2026-08-14","current":12.640451,"twenty":6.352414,"median":10.274318,"eighty":15.980014,"marketCap":424883481},{"date":"2026-08-21","current":12.333047,"twenty":6.352414,"median":10.274318,"eighty":15.980014,"marketCap":414550712},{"date":"2026-08-28","current":12.402725,"twenty":6.352414,"median":10.274318,"eighty":15.980014,"marketCap":416892806},{"date":"2026-09-04","current":12.587168,"twenty":6.352414,"median":10.274318,"eighty":15.980014,"marketCap":423092468},{"date":"2026-09-11","current":12.570773,"twenty":6.352414,"median":10.274318,"eighty":15.980014,"marketCap":422541387},{"date":"2026-09-16","current":12.61176,"twenty":6.352414,"median":10.274318,"eighty":15.980014,"marketCap":423919090}],"updateTime":1789657833594},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"ISTR\",pageSize:20,pageCount:7,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"12139590","market":"us","labels":[],"media":"sec.gov","original_id":"AN160265821000043-ISTR","pdf_url":null,"pub_time":1615305600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"ISTR","title":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000043/0001602658-21-000043-index.htm","us_notice_code":"Form 10-K","us_title_en":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000043/istr-20201231.htm","primary":true,"translateUrl":null,"linkName":"istr-20201231.htm","type":"10-K","id":"NTFILEGKb8ZaJQpKiaGrcv","market":"us","size":5234716},{"description":"EX-10.20","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000043/investarholdingcorp401kplan.htm","primary":false,"translateUrl":null,"linkName":"investarholdingcorp401kplan.htm","type":"EX-10.20","id":"NTFILEGHFCK15HzBLriXPa","market":"us","size":615853},{"description":"EX-23.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000043/ex-231eyconsent.htm","primary":false,"translateUrl":null,"linkName":"ex-231eyconsent.htm","type":"EX-23.1","id":"NTFILEHtPx6DQSGRZezUsm","market":"us","size":6377},{"description":"EX-23.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000043/ex-232horneconsent.htm","primary":false,"translateUrl":null,"linkName":"ex-232horneconsent.htm","type":"EX-23.2","id":"NTFILE9Wb7EpYmYjJEST9M","market":"us","size":5961},{"description":"EX-31.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000043/ex-311.htm","primary":false,"translateUrl":null,"linkName":"ex-311.htm","type":"EX-31.1","id":"NTFILEEKRWzVE988NwyAg4","market":"us","size":11542},{"description":"EX-31.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000043/ex-312.htm","primary":false,"translateUrl":null,"linkName":"ex-312.htm","type":"EX-31.2","id":"NTFILEBu9yDeHX8xYzs89w","market":"us","size":12417},{"description":"EX-32.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000043/ex-321.htm","primary":false,"translateUrl":null,"linkName":"ex-321.htm","type":"EX-32.1","id":"NTFILEYJe5ubZu6K6UvH8r","market":"us","size":5332},{"description":"EX-32.2","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000043/ex-322.htm","primary":false,"translateUrl":null,"linkName":"ex-322.htm","type":"EX-32.2","id":"NTFILE8rqWpWztemMVeWsX","market":"us","size":5257},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000043/istr-20201231_g1.jpg","primary":false,"translateUrl":null,"linkName":"istr-20201231_g1.jpg","type":"GRAPHIC","id":"NTFILEAibSXQZ2uXBe9k1L","market":"us","size":2767},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000043/istr-20201231_g2.jpg","primary":false,"translateUrl":null,"linkName":"istr-20201231_g2.jpg","type":"GRAPHIC","id":"NTFILE5UzqGHWkpU8AVkoJ","market":"us","size":62491}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2021-03-10 00:00","pubTimestamp":1615305600,"title_zh":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12139592","market":"us","labels":[],"media":"sec.gov","original_id":"AN91957421001739-ISTR","pdf_url":null,"pub_time":1613491200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"ISTR","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000091957421001739/0000919574-21-001739-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1040762/000091957421001739/d8799030_13g-a.htm","primary":true,"translateUrl":null,"linkName":"d8799030_13g-a.htm","type":"SC 13G/A","id":"NTFILE6c2kcn824dtr4gq7","market":"us","size":68349}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2021-02-17 00:00","pubTimestamp":1613491200,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12139588","market":"us","labels":[],"media":"sec.gov","original_id":"AN89534521000160-ISTR","pdf_url":null,"pub_time":1613059200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"ISTR","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000089534521000160/0000895345-21-000160-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1353254/000089534521000160/ja13ga1-investar_ejf.htm","primary":true,"translateUrl":null,"linkName":"ja13ga1-investar_ejf.htm","type":"SC 13G/A","id":"NTFILEYaBzHM9PYJGqSCAf","market":"us","size":181094}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2021-02-12 00:00","pubTimestamp":1613059200,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11779304","market":"us","labels":[],"media":"sec.gov","original_id":"AN156761921002607-ISTR","pdf_url":null,"pub_time":1612800000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"ISTR","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000156761921002607/0001567619-21-002607-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"NONE","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1029311/000156761921002607/doc1.htm","primary":true,"translateUrl":null,"linkName":"doc1.htm","type":"SC 13G/A","id":"NTFILEELegTzTNS3JgJ8wG","market":"us","size":96346}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2021-02-09 00:00","pubTimestamp":1612800000,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":false,"id":"11779303","market":"us","labels":[],"media":"sec.gov","original_id":"AN83423721006805-ISTR","pdf_url":null,"pub_time":1612195200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","symbol":"ISTR","title":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000083423721006805/0000834237-21-006805-index.htm","us_notice_code":"Form SC 13G","us_title_en":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2021-02-02 00:00","pubTimestamp":1612195200,"title_zh":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11583977","market":"us","labels":[],"media":"sec.gov","original_id":"AN160265821000030-ISTR","pdf_url":null,"pub_time":1611504000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ISTR","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/0001602658-21-000030-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-2.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a21investar-mergeragreemen.htm","primary":true,"translateUrl":null,"linkName":"a21investar-mergeragreemen.htm","type":"EX-2.1","id":"NTFILE2MRwGwkPV3fWKa9V","market":"us","size":640431},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/istr-20210121.htm","primary":false,"translateUrl":null,"linkName":"istr-20210121.htm","type":"8-K","id":"NTFILEA7WsFmY6qVsMMh2a","market":"us","size":50830},{"description":"EX-99.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/exhibit991-q42020earningsr.htm","primary":false,"translateUrl":null,"linkName":"exhibit991-q42020earningsr.htm","type":"EX-99.1","id":"NTFILE5cAGhNpRUeUxWvzL","market":"us","size":772813},{"description":"EX-99.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f.htm","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f.htm","type":"EX-99.2","id":"NTFILE4YoFpkRZ3zNNgGfN","market":"us","size":30366},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f001.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f001.jpg","type":"GRAPHIC","id":"NTFILE8Hbsoc9tPywr6BDR","market":"us","size":66627},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f002.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f002.jpg","type":"GRAPHIC","id":"NTFILEBWS8jd5nKG6AXFLB","market":"us","size":303796},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f003.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f003.jpg","type":"GRAPHIC","id":"NTFILE9kL2NQsEJC4Dsx4P","market":"us","size":116556},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f004.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f004.jpg","type":"GRAPHIC","id":"NTFILEHRS4apQUZ3i24fTb","market":"us","size":171933},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f005.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f005.jpg","type":"GRAPHIC","id":"NTFILE8b3JQUMX3RuvY2QG","market":"us","size":76095},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f006.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f006.jpg","type":"GRAPHIC","id":"NTFILEBGjYVscpHMiXywJm","market":"us","size":110809},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f007.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f007.jpg","type":"GRAPHIC","id":"NTFILEHFhLYaygkuEVEYHB","market":"us","size":116783},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f008.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f008.jpg","type":"GRAPHIC","id":"NTFILEFnnHyiyFhvQV16Rr","market":"us","size":202092},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f009.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f009.jpg","type":"GRAPHIC","id":"NTFILEHL81XYzCJr3JVgG6","market":"us","size":110007},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f010.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f010.jpg","type":"GRAPHIC","id":"NTFILEY3ykHAgTQyqzmZkL","market":"us","size":97715},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f011.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f011.jpg","type":"GRAPHIC","id":"NTFILE8TV9Ycc9RZXQZy5Y","market":"us","size":163963},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f012.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f012.jpg","type":"GRAPHIC","id":"NTFILEDgRT4w3xQDEArFgu","market":"us","size":36460},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f013.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f013.jpg","type":"GRAPHIC","id":"NTFILECCBvixwMgmRXV5f5","market":"us","size":111434},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f014.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f014.jpg","type":"GRAPHIC","id":"NTFILECNfhGHQeYK5y3gU1","market":"us","size":171692},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f015.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f015.jpg","type":"GRAPHIC","id":"NTFILED4Q7NpaKSBVuxjiy","market":"us","size":143921},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f016.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f016.jpg","type":"GRAPHIC","id":"NTFILE9ZBPRyDv1UHsNrxQ","market":"us","size":132744},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f017.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f017.jpg","type":"GRAPHIC","id":"NTFILEGXEEdaxHKWEuTKYk","market":"us","size":123723},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f018.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f018.jpg","type":"GRAPHIC","id":"NTFILEBnCiTLm7HDkjT2SD","market":"us","size":98124},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f019.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f019.jpg","type":"GRAPHIC","id":"NTFILEDq5iGmru7ZNcksJo","market":"us","size":102544},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f020.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f020.jpg","type":"GRAPHIC","id":"NTFILECi2P9JLpZpFZ7F9S","market":"us","size":30245},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f021.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f021.jpg","type":"GRAPHIC","id":"NTFILEHRiwN7Yi11tjrVS9","market":"us","size":148907},{"description":"GRAPHIC","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f022.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f022.jpg","type":"GRAPHIC","id":"NTFILEDSDTz4eG3MsFk86o","market":"us","size":89247},{"description":"GRAPHIC","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f023.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f023.jpg","type":"GRAPHIC","id":"NTFILE2YzaikoCfzP6rdaS","market":"us","size":73057},{"description":"GRAPHIC","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265821000030/a4q20earningsreleaseip-f024.jpg","primary":false,"translateUrl":null,"linkName":"a4q20earningsreleaseip-f024.jpg","type":"GRAPHIC","id":"NTFILE7VqyiSfGxEn77xhH","market":"us","size":37425}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2021-01-25 00:00","pubTimestamp":1611504000,"title_zh":"8-K  - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11583972","market":"us","labels":[],"media":"sec.gov","original_id":"AN160265820000180-ISTR","pdf_url":null,"pub_time":1607961600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"CORRESP [Cover] - Correspondence","symbol":"ISTR","title":"CORRESP [Cover] - Correspondence","titleType":"Correspondence","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000180/0001602658-20-000180-index.htm","us_notice_code":"Form CORRESP","us_title_en":"CORRESP [Cover] - Correspondence","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000180/filename1.htm","primary":true,"translateUrl":null,"linkName":"filename1.htm","type":"CORRESP","id":"NTFILEGjNpa9pKH1dMGkgE","market":"us","size":5259},{"description":"GRAPHIC","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000180/investarholding_color1.jpg","primary":false,"translateUrl":null,"linkName":"investarholding_color1.jpg","type":"GRAPHIC","id":"NTFILE6ccQNEpmk8ogCgXq","market":"us","size":19538}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Correspondence","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Correspondence","pubTime":"2020-12-15 00:00","pubTimestamp":1607961600,"title_zh":"CORRESP [Cover] - Correspondence","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11583966","market":"us","labels":[],"media":"sec.gov","original_id":"AN160265820000176-ISTR","pdf_url":null,"pub_time":1607616000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"CORRESP [Cover] - Correspondence","symbol":"ISTR","title":"CORRESP [Cover] - Correspondence","titleType":"Correspondence","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000176/0001602658-20-000176-index.htm","us_notice_code":"Form CORRESP","us_title_en":"CORRESP [Cover] - Correspondence","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000176/filename1.htm","primary":true,"translateUrl":null,"linkName":"filename1.htm","type":"CORRESP","id":"NTFILEBH8LGfMw2EVkNuUU","market":"us","size":5260},{"description":"GRAPHIC","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000176/investarholding_color1.jpg","primary":false,"translateUrl":null,"linkName":"investarholding_color1.jpg","type":"GRAPHIC","id":"NTFILE9KgWU8Qpdq2anhy7","market":"us","size":19538}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Correspondence","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Correspondence","pubTime":"2020-12-11 00:00","pubTimestamp":1607616000,"title_zh":"CORRESP [Cover] - Correspondence","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11166811","market":"us","labels":[],"media":"sec.gov","original_id":"AN160265820000174-ISTR","pdf_url":null,"pub_time":1604937600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ISTR","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/0001602658-20-000174-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen.htm","primary":true,"translateUrl":null,"linkName":"exhibit991investorpresen.htm","type":"EX-99.1","id":"NTFILEA1Gv2k8TDFwkABQJ","market":"us","size":74916},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/istr-20201109.htm","primary":false,"translateUrl":null,"linkName":"istr-20201109.htm","type":"8-K","id":"NTFILEk6gCxG8wFkAPxdfV","market":"us","size":48385},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen001.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen001.jpg","type":"GRAPHIC","id":"NTFILE3TrJ9w5xckCyPxER","market":"us","size":51985},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen002.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen002.jpg","type":"GRAPHIC","id":"NTFILEDniaqhsJHpe3cKwG","market":"us","size":272768},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen003.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen003.jpg","type":"GRAPHIC","id":"NTFILE5cdvwmortafHmq1y","market":"us","size":116935},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen004.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen004.jpg","type":"GRAPHIC","id":"NTFILEFyFrSJ1wLBa7kKhN","market":"us","size":164276},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen005.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen005.jpg","type":"GRAPHIC","id":"NTFILECg9XbWNDbUVaVw6o","market":"us","size":121734},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen006.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen006.jpg","type":"GRAPHIC","id":"NTFILE8ANbEmb4D3YnZF8U","market":"us","size":100071},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen007.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen007.jpg","type":"GRAPHIC","id":"NTFILE9dAum8muPZ6EZenf","market":"us","size":193846},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen008.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen008.jpg","type":"GRAPHIC","id":"NTFILEE7d1TSCExXvtipRa","market":"us","size":198205},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen009.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen009.jpg","type":"GRAPHIC","id":"NTFILE3YYJJLczPf4s24HY","market":"us","size":138253},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen010.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen010.jpg","type":"GRAPHIC","id":"NTFILEDT7wUbKgfiSbXNC8","market":"us","size":74144},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen011.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen011.jpg","type":"GRAPHIC","id":"NTFILE4iNfZKTiMwKffuQk","market":"us","size":69314},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen012.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen012.jpg","type":"GRAPHIC","id":"NTFILEAoAx1ZXKtqYai311","market":"us","size":111503},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen013.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen013.jpg","type":"GRAPHIC","id":"NTFILE4bUGCjsmhqdLEpFp","market":"us","size":65914},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen014.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen014.jpg","type":"GRAPHIC","id":"NTFILE6vf2ZAPxNskYM9Vf","market":"us","size":77148},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen015.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen015.jpg","type":"GRAPHIC","id":"NTFILEGUPL6uYv11sGRiy2","market":"us","size":95317},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen016.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen016.jpg","type":"GRAPHIC","id":"NTFILE5ouocJ94jN6h4Diu","market":"us","size":94543},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen017.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen017.jpg","type":"GRAPHIC","id":"NTFILE2mFcSx4nyNnc4NUL","market":"us","size":79952},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen018.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen018.jpg","type":"GRAPHIC","id":"NTFILEE8itYEfoiesRwmEW","market":"us","size":92632},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen019.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen019.jpg","type":"GRAPHIC","id":"NTFILEFVWnKZh1jRczdkwu","market":"us","size":86433},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen020.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen020.jpg","type":"GRAPHIC","id":"NTFILEZ6QQdmv2f58zDtUG","market":"us","size":161835},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen021.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen021.jpg","type":"GRAPHIC","id":"NTFILE9qbacFRRR8TacHsU","market":"us","size":98372},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen022.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen022.jpg","type":"GRAPHIC","id":"NTFILEEsZqgkvkX9JnQfjY","market":"us","size":93805},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen023.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen023.jpg","type":"GRAPHIC","id":"NTFILEDvyn6LEBfS1XBahq","market":"us","size":93816},{"description":"GRAPHIC","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen024.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen024.jpg","type":"GRAPHIC","id":"NTFILEBFGJvqdR5kYNQv4k","market":"us","size":94676},{"description":"GRAPHIC","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen025.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen025.jpg","type":"GRAPHIC","id":"NTFILE5km27JzfCTrs1kB8","market":"us","size":34228},{"description":"GRAPHIC","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen026.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen026.jpg","type":"GRAPHIC","id":"NTFILE8BsumPEZK2ctLDZM","market":"us","size":212052},{"description":"GRAPHIC","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen027.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen027.jpg","type":"GRAPHIC","id":"NTFILEVXuU7kZYNMKuTwYH","market":"us","size":170812},{"description":"GRAPHIC","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen028.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen028.jpg","type":"GRAPHIC","id":"NTFILE5mj9Co99EaHq44UB","market":"us","size":200161},{"description":"GRAPHIC","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000174/exhibit991investorpresen029.jpg","primary":false,"translateUrl":null,"linkName":"exhibit991investorpresen029.jpg","type":"GRAPHIC","id":"NTFILE3gJsZbRpa96XLy3i","market":"us","size":225855}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-11-10 00:00","pubTimestamp":1604937600,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10740959","market":"us","labels":[],"media":"sec.gov","original_id":"AN160265820000165-ISTR","pdf_url":null,"pub_time":1604505600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"ISTR","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000165/0001602658-20-000165-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q  - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":true,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000165/istr-20200930.htm","primary":true,"translateUrl":null,"linkName":"istr-20200930.htm","type":"10-Q","id":"NTFILEH72tcbyhPoYDYgFR","market":"us","size":3941093},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000165/a3q2020exhibit311.htm","primary":false,"translateUrl":null,"linkName":"a3q2020exhibit311.htm","type":"EX-31.1","id":"NTFILEDMn6mFJy463Vr77w","market":"us","size":10234},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000165/a3q2020exhibit312.htm","primary":false,"translateUrl":null,"linkName":"a3q2020exhibit312.htm","type":"EX-31.2","id":"NTFILEFSvTkre85ZjCHR5h","market":"us","size":10185},{"description":"EX-32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000165/a3q2020exhibit321.htm","primary":false,"translateUrl":null,"linkName":"a3q2020exhibit321.htm","type":"EX-32.1","id":"NTFILEBQX6CpJhgmhQjcuJ","market":"us","size":6388},{"description":"EX-32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000165/a3q2020exhibit322.htm","primary":false,"translateUrl":null,"linkName":"a3q2020exhibit322.htm","type":"EX-32.2","id":"NTFILEBnCe6dgQTz6wEQr5","market":"us","size":6378},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000165/istr-20200930_g1.jpg","primary":false,"translateUrl":null,"linkName":"istr-20200930_g1.jpg","type":"GRAPHIC","id":"NTFILEEirBt3ncgzQHZFUK","market":"us","size":2767}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[{"id":49497,"name":"CONSOLIDATED BALANCE SHEETS","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000165/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":49498,"name":"CONSOLIDATED BALANCE SHEETS (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000165/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":49499,"name":"CONSOLIDATED STATEMENTS OF INCOME","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000165/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":49500,"name":"CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000165/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":49501,"name":"CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000165/R6.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":49502,"name":"CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000165/R7.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":49503,"name":"CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000165/R8.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":49504,"name":"CONSOLIDATED STATEMENTS OF CASH FLOWS","name_zh":"合并现金流量表","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000165/R9.htm","cdn_url":"https://static.tigerbbs.com/7d56637996253e0fc88c1dd27c9f1ef0","translation_url":"https://static.tigerbbs.com/e76612ec126a42f753e3841372654657","translate_status":1}],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2020-11-05 00:00","pubTimestamp":1604505600,"title_zh":"10-Q  - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10578265","market":"us","labels":[],"media":"sec.gov","original_id":"AN160265820000159-ISTR","pdf_url":null,"pub_time":1603382400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ISTR","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/0001602658-20-000159-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/exhibit991-q32020earni.htm","primary":true,"translateUrl":null,"linkName":"exhibit991-q32020earni.htm","type":"EX-99.1","id":"NTFILEBnzW9YKoTXrxNtpG","market":"us","size":934979},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istr-20201022.htm","primary":false,"translateUrl":null,"linkName":"istr-20201022.htm","type":"8-K","id":"NTFILECep9Jhku3GKens9u","market":"us","size":50457},{"description":"EX-99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20.htm","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20.htm","type":"EX-99.2","id":"NTFILEFc7V46YCrtjUWtsT","market":"us","size":39376},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20001.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20001.jpg","type":"GRAPHIC","id":"NTFILEApc1yd8tyupe2uK7","market":"us","size":64218},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20002.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20002.jpg","type":"GRAPHIC","id":"NTFILEAdb2btzxJVeQVGsv","market":"us","size":244926},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20003.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20003.jpg","type":"GRAPHIC","id":"NTFILEF1i2pHqW7aCpXQ89","market":"us","size":113886},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20004.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20004.jpg","type":"GRAPHIC","id":"NTFILEA9PeTU7e2grvJGgo","market":"us","size":180503},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20005.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20005.jpg","type":"GRAPHIC","id":"NTFILE8f4EuFuiPx6ZctL3","market":"us","size":75474},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20006.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20006.jpg","type":"GRAPHIC","id":"NTFILEHySrQM7myBGjpQRe","market":"us","size":124968},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20007.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20007.jpg","type":"GRAPHIC","id":"NTFILEDMpL4dMRkd3udLpP","market":"us","size":106159},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20008.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20008.jpg","type":"GRAPHIC","id":"NTFILEGpJTDgut4ch99qs9","market":"us","size":155290},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20009.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20009.jpg","type":"GRAPHIC","id":"NTFILEEmkZaSGwGLAbV2s1","market":"us","size":195430},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20010.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20010.jpg","type":"GRAPHIC","id":"NTFILE871WgvxBbnSmHKFP","market":"us","size":110449},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20011.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20011.jpg","type":"GRAPHIC","id":"NTFILEAGUvz17DBxzfNTkH","market":"us","size":110901},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20012.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20012.jpg","type":"GRAPHIC","id":"NTFILE2SFxiVAjAbVbtn7a","market":"us","size":145065},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20013.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20013.jpg","type":"GRAPHIC","id":"NTFILEDdT3StHESZ9kLu1L","market":"us","size":30264},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20014.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20014.jpg","type":"GRAPHIC","id":"NTFILE9QLEGTMUKD8NVrwJ","market":"us","size":148793},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20015.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20015.jpg","type":"GRAPHIC","id":"NTFILEHxWDHfAMbStAxSb1","market":"us","size":97534},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20016.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20016.jpg","type":"GRAPHIC","id":"NTFILE2YeXZnrKCcMTSuEf","market":"us","size":83136},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000159/istrq3ipv13final10-22x20017.jpg","primary":false,"translateUrl":null,"linkName":"istrq3ipv13final10-22x20017.jpg","type":"GRAPHIC","id":"NTFILEApaZACr4SCfjPt5g","market":"us","size":37988}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-10-23 00:00","pubTimestamp":1603382400,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10451594","market":"us","labels":[],"media":"sec.gov","original_id":"AN160265820000157-ISTR","pdf_url":null,"pub_time":1602518400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K/A [Amend]  - Current report","symbol":"ISTR","title":"8-K/A [Amend]  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/0001602658-20-000157-index.htm","us_notice_code":"Form 8-K/A","us_title_en":"8-K/A [Amend]  - Current report","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/istr-20200810.htm","primary":true,"translateUrl":null,"linkName":"istr-20200810.htm","type":"8-K/A","id":"NTFILE7YGwvHMD8jmQXDnC","market":"us","size":61500},{"description":"EX-99.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630.htm","primary":false,"translateUrl":null,"linkName":"investorpresentation0630.htm","type":"EX-99.1","id":"NTFILEHVm1DLmbJffbnBsN","market":"us","size":75017},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630001.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630001.jpg","type":"GRAPHIC","id":"NTFILE9SvEmpSWUK3UbWq4","market":"us","size":52964},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630002.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630002.jpg","type":"GRAPHIC","id":"NTFILE3RfWwWU7sPkoPFnF","market":"us","size":278032},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630003.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630003.jpg","type":"GRAPHIC","id":"NTFILEBnPRZiTx9z4TTF6R","market":"us","size":113727},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630004.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630004.jpg","type":"GRAPHIC","id":"NTFILE31jrY1im1BG8eQes","market":"us","size":164307},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630005.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630005.jpg","type":"GRAPHIC","id":"NTFILEH1Fp7MMEnparxMBG","market":"us","size":121734},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630006.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630006.jpg","type":"GRAPHIC","id":"NTFILE33Q211d2rAvvLr7o","market":"us","size":101112},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630007.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630007.jpg","type":"GRAPHIC","id":"NTFILEHed58fiz71mD1EQo","market":"us","size":194858},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630008.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630008.jpg","type":"GRAPHIC","id":"NTFILE3iJZnrn9fgEkMaf7","market":"us","size":198205},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630009.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630009.jpg","type":"GRAPHIC","id":"NTFILEFVrhPYXYm87ya9K4","market":"us","size":137982},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630010.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630010.jpg","type":"GRAPHIC","id":"NTFILE3b6wG4pSaHQst7ZH","market":"us","size":74207},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630011.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630011.jpg","type":"GRAPHIC","id":"NTFILEEu5wchxJ1tADgTHU","market":"us","size":70122},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630012.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630012.jpg","type":"GRAPHIC","id":"NTFILEAVGEowMZ1cwKPP54","market":"us","size":108228},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630013.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630013.jpg","type":"GRAPHIC","id":"NTFILEH9C6f1JdmfoJKwWD","market":"us","size":65288},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630014.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630014.jpg","type":"GRAPHIC","id":"NTFILEJ6eHmChtstQHDsY1","market":"us","size":78853},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630015.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630015.jpg","type":"GRAPHIC","id":"NTFILEBgt3h21sSCfHTFf2","market":"us","size":96547},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630016.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630016.jpg","type":"GRAPHIC","id":"NTFILEHEAPR4vy2EumNUrT","market":"us","size":98340},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630017.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630017.jpg","type":"GRAPHIC","id":"NTFILECqZJuXJoqunkyeof","market":"us","size":92305},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630018.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630018.jpg","type":"GRAPHIC","id":"NTFILEBr6bLByfdp4Lkz2X","market":"us","size":86316},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630019.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630019.jpg","type":"GRAPHIC","id":"NTFILE5vCQtjkNvKCDzH9M","market":"us","size":162563},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630020.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630020.jpg","type":"GRAPHIC","id":"NTFILE71M8fLhxyT6pZZyZ","market":"us","size":98641},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630021.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630021.jpg","type":"GRAPHIC","id":"NTFILEEAdiR8RLyk5QaYe1","market":"us","size":92854},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630022.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630022.jpg","type":"GRAPHIC","id":"NTFILEH82JugmNXiy2q99J","market":"us","size":93275},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630023.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630023.jpg","type":"GRAPHIC","id":"NTFILE6FbJo4r6REU8MQoh","market":"us","size":94676},{"description":"GRAPHIC","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630024.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630024.jpg","type":"GRAPHIC","id":"NTFILE6cgTYi3xgBnNzSff","market":"us","size":34228},{"description":"GRAPHIC","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630025.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630025.jpg","type":"GRAPHIC","id":"NTFILE2YzquTn9GCZTdWxG","market":"us","size":209794},{"description":"GRAPHIC","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630026.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630026.jpg","type":"GRAPHIC","id":"NTFILEGefq3AM28TzTNn5r","market":"us","size":166364},{"description":"GRAPHIC","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630027.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630027.jpg","type":"GRAPHIC","id":"NTFILE7yp8vTiyTRU7Tgcq","market":"us","size":198699},{"description":"GRAPHIC","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000157/investorpresentation0630028.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630028.jpg","type":"GRAPHIC","id":"NTFILE9gpRzYNHdqXWFmxh","market":"us","size":215174}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-10-13 00:00","pubTimestamp":1602518400,"title_zh":"8-K/A [Amend]  - Current report","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10388647","market":"us","labels":[],"media":"sec.gov","original_id":"AN160265820000153-ISTR","pdf_url":null,"pub_time":1600617600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ISTR","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/0001602658-20-000153-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj.htm","primary":true,"translateUrl":null,"linkName":"investorpresentationforj.htm","type":"EX-99.1","id":"NTFILEDnKapQdTomqds9K1","market":"us","size":76616},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/istr-20200921.htm","primary":false,"translateUrl":null,"linkName":"istr-20200921.htm","type":"8-K","id":"NTFILE3dvYFfWvmnxttcVc","market":"us","size":60612},{"description":"XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/istr-20200921.xsd","primary":false,"translateUrl":null,"linkName":"istr-20200921.xsd","type":"EX-101.SCH","id":"NTFILERrqdkta8ReA6c8xe","market":"us","size":2423},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/istr-20200921_cal.xml","primary":false,"translateUrl":null,"linkName":"istr-20200921_cal.xml","type":"EX-101.CAL","id":"NTFILEEoDcrrMTpAhbVLu7","market":"us","size":710},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/istr-20200921_def.xml","primary":false,"translateUrl":null,"linkName":"istr-20200921_def.xml","type":"EX-101.DEF","id":"NTFILEBXwZTW8y4x9VabKc","market":"us","size":1643},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/istr-20200921_lab.xml","primary":false,"translateUrl":null,"linkName":"istr-20200921_lab.xml","type":"EX-101.LAB","id":"NTFILE2xbaLcN2z81bTuU4","market":"us","size":23970},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/istr-20200921_pre.xml","primary":false,"translateUrl":null,"linkName":"istr-20200921_pre.xml","type":"EX-101.PRE","id":"NTFILEELrT4NHWPMpCvUTx","market":"us","size":12646},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj001.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj001.jpg","type":"GRAPHIC","id":"NTFILE3cUpVkXJo2X4vZFd","market":"us","size":62249},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj002.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj002.jpg","type":"GRAPHIC","id":"NTFILECvKdGTekfLt9oyGv","market":"us","size":277999},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj003.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj003.jpg","type":"GRAPHIC","id":"NTFILEEw8u6cPL8JC3U5wn","market":"us","size":113711},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj004.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj004.jpg","type":"GRAPHIC","id":"NTFILE6nC3bRC98Pmcu4vh","market":"us","size":164307},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj005.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj005.jpg","type":"GRAPHIC","id":"NTFILEAPq75a8zYPSSpQRk","market":"us","size":121734},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj006.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj006.jpg","type":"GRAPHIC","id":"NTFILEbpgjKCPb8oz2hJzW","market":"us","size":101112},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj007.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj007.jpg","type":"GRAPHIC","id":"NTFILEGegr9ysTqBv6xMZX","market":"us","size":194858},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj008.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj008.jpg","type":"GRAPHIC","id":"NTFILEAJ2pFSxJVjwEKvyD","market":"us","size":198205},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj009.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj009.jpg","type":"GRAPHIC","id":"NTFILECVad3Wek4fcHm5WG","market":"us","size":137982},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj010.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj010.jpg","type":"GRAPHIC","id":"NTFILEGD6XzWK2pkpQhzBk","market":"us","size":74207},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj011.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj011.jpg","type":"GRAPHIC","id":"NTFILECqwBdm2nL2tNGCHC","market":"us","size":70122},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj012.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj012.jpg","type":"GRAPHIC","id":"NTFILEJBFeS79GGuLXKRgw","market":"us","size":108228},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj013.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj013.jpg","type":"GRAPHIC","id":"NTFILECjksYzWadDtUTQcw","market":"us","size":65288},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj014.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj014.jpg","type":"GRAPHIC","id":"NTFILE36D4D3WoUQQzZjCb","market":"us","size":78853},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj015.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj015.jpg","type":"GRAPHIC","id":"NTFILEBvWWFh8fVRPsqCro","market":"us","size":96547},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj016.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj016.jpg","type":"GRAPHIC","id":"NTFILE97vnbtsJLi36wjV9","market":"us","size":98340},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj017.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj017.jpg","type":"GRAPHIC","id":"NTFILECqAR2JqmgUG2ZwfA","market":"us","size":121150},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj018.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj018.jpg","type":"GRAPHIC","id":"NTFILEJ8nXL9g6DVqPeJ8s","market":"us","size":92305},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj019.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj019.jpg","type":"GRAPHIC","id":"NTFILEEBoqjHxonswRHhfy","market":"us","size":86316},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj020.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj020.jpg","type":"GRAPHIC","id":"NTFILEC4ahrGviCeoRbQEB","market":"us","size":162563},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj021.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj021.jpg","type":"GRAPHIC","id":"NTFILECfb2Zch92UAr9nBQ","market":"us","size":98641},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj022.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj022.jpg","type":"GRAPHIC","id":"NTFILE3gA8e6GPXKr186US","market":"us","size":92854},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj023.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj023.jpg","type":"GRAPHIC","id":"NTFILEF5U8nLm2rPwWEnbQ","market":"us","size":93275},{"description":"GRAPHIC","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj024.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj024.jpg","type":"GRAPHIC","id":"NTFILE3oqMA4Me26K8sMQZ","market":"us","size":94676},{"description":"GRAPHIC","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj025.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj025.jpg","type":"GRAPHIC","id":"NTFILEEaEocDGJFsraA6kE","market":"us","size":34228},{"description":"GRAPHIC","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj026.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj026.jpg","type":"GRAPHIC","id":"NTFILEEVmt84vt8qKm3WNw","market":"us","size":209794},{"description":"GRAPHIC","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj027.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj027.jpg","type":"GRAPHIC","id":"NTFILE44Qb9vVgrXbZWN16","market":"us","size":166364},{"description":"GRAPHIC","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj028.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj028.jpg","type":"GRAPHIC","id":"NTFILEAoRMgasugr6ACxuv","market":"us","size":198699},{"description":"GRAPHIC","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000153/investorpresentationforj029.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationforj029.jpg","type":"GRAPHIC","id":"NTFILEA4Gu4ARSJKMF3Wq4","market":"us","size":215174}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-09-21 00:00","pubTimestamp":1600617600,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10313595","market":"us","labels":[],"media":"sec.gov","original_id":"AN160265820000149-ISTR","pdf_url":null,"pub_time":1598544000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ISTR","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000149/0001602658-20-000149-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000149/pressrelease-additiona.htm","primary":true,"translateUrl":null,"linkName":"pressrelease-additiona.htm","type":"EX-99.1","id":"NTFILEAoQoLPdsap1bXAVy","market":"us","size":7919},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000149/istr-20200827.htm","primary":false,"translateUrl":null,"linkName":"istr-20200827.htm","type":"8-K","id":"NTFILE6jRHp3xVfB3c1SFX","market":"us","size":48184},{"description":"XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000149/istr-20200827.xsd","primary":false,"translateUrl":null,"linkName":"istr-20200827.xsd","type":"EX-101.SCH","id":"NTFILE5s3wd2aW6ECot3WE","market":"us","size":2423},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000149/istr-20200827_cal.xml","primary":false,"translateUrl":null,"linkName":"istr-20200827_cal.xml","type":"EX-101.CAL","id":"NTFILE5FSnEa3EKpTMbZG3","market":"us","size":710},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000149/istr-20200827_def.xml","primary":false,"translateUrl":null,"linkName":"istr-20200827_def.xml","type":"EX-101.DEF","id":"NTFILEH24CmU2GYaK7FvEQ","market":"us","size":1643},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000149/istr-20200827_lab.xml","primary":false,"translateUrl":null,"linkName":"istr-20200827_lab.xml","type":"EX-101.LAB","id":"NTFILE6tZuFThMgpkLTD34","market":"us","size":23970},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000149/istr-20200827_pre.xml","primary":false,"translateUrl":null,"linkName":"istr-20200827_pre.xml","type":"EX-101.PRE","id":"NTFILE8aVPK8qYRTKkCQF2","market":"us","size":12646},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000149/istr-20200827_htm.xml","primary":false,"translateUrl":null,"linkName":"istr-20200827_htm.xml","type":"XML","id":"NTFILECDtx15cJ57Cjdujx","market":"us","size":11057}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-08-28 00:00","pubTimestamp":1598544000,"title_zh":"8-K  - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10282111","market":"us","labels":[],"media":"sec.gov","original_id":"AN160265820000145-ISTR","pdf_url":null,"pub_time":1597939200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ISTR","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000145/0001602658-20-000145-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 4.01: Changes in Registrant's Certifying Accountant;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-16.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000145/exhibit161changeinaudi.htm","primary":true,"translateUrl":null,"linkName":"exhibit161changeinaudi.htm","type":"EX-16.1","id":"NTFILECh9T6mhyj6pGTvSb","market":"us","size":2790},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000145/istr-20200818.htm","primary":false,"translateUrl":null,"linkName":"istr-20200818.htm","type":"8-K","id":"NTFILE2Aup8UPaJ1xmnmqt","market":"us","size":52526},{"description":"XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000145/istr-20200818.xsd","primary":false,"translateUrl":null,"linkName":"istr-20200818.xsd","type":"EX-101.SCH","id":"NTFILEBjXhrmLG5ubboZMu","market":"us","size":2423},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000145/istr-20200818_cal.xml","primary":false,"translateUrl":null,"linkName":"istr-20200818_cal.xml","type":"EX-101.CAL","id":"NTFILEH5LcCAKzBGaUyzsc","market":"us","size":710},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000145/istr-20200818_def.xml","primary":false,"translateUrl":null,"linkName":"istr-20200818_def.xml","type":"EX-101.DEF","id":"NTFILEACceAyg3qqcf5AJb","market":"us","size":1643},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000145/istr-20200818_lab.xml","primary":false,"translateUrl":null,"linkName":"istr-20200818_lab.xml","type":"EX-101.LAB","id":"NTFILECsPkN5tvE5SXDUf7","market":"us","size":23970},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000145/istr-20200818_pre.xml","primary":false,"translateUrl":null,"linkName":"istr-20200818_pre.xml","type":"EX-101.PRE","id":"NTFILEDMRUqSiunwvpMDqQ","market":"us","size":12646},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000145/istr-20200818_htm.xml","primary":false,"translateUrl":null,"linkName":"istr-20200818_htm.xml","type":"XML","id":"NTFILE8KeaLYoxv347gitW","market":"us","size":11003}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-08-21 00:00","pubTimestamp":1597939200,"title_zh":"8-K  - Current report","summary_en":"Item 4.01: Changes in Registrant's Certifying Accountant;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10244299","market":"us","labels":[],"media":"sec.gov","original_id":"AN160265820000134-ISTR","pdf_url":null,"pub_time":1596988800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ISTR","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/0001602658-20-000134-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630.htm","primary":true,"translateUrl":null,"linkName":"investorpresentation0630.htm","type":"EX-99.1","id":"NTFILEHcUo2ditPw4Cs6hx","market":"us","size":75017},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/form8-kxregfddisclosur.htm","primary":false,"translateUrl":null,"linkName":"form8-kxregfddisclosur.htm","type":"8-K","id":"NTFILECHoeejD9ELd2VzMy","market":"us","size":49331},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630001.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630001.jpg","type":"GRAPHIC","id":"NTFILEdse54My9CxMFtnrS","market":"us","size":52964},{"description":"GRAPHIC","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630002.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630002.jpg","type":"GRAPHIC","id":"NTFILEFuFXTknNnbVYY5B6","market":"us","size":278032},{"description":"GRAPHIC","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630003.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630003.jpg","type":"GRAPHIC","id":"NTFILE5SLq3kyhjrb1UhaU","market":"us","size":113727},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630004.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630004.jpg","type":"GRAPHIC","id":"NTFILEGQYaXrBk4MUk8ToF","market":"us","size":164307},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630005.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630005.jpg","type":"GRAPHIC","id":"NTFILE7jJDSASAQm3Ujdfd","market":"us","size":121734},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630006.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630006.jpg","type":"GRAPHIC","id":"NTFILEQyAjz2Vt2NnwXfhr","market":"us","size":101112},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630007.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630007.jpg","type":"GRAPHIC","id":"NTFILEEbxNbTRbn1siqNrh","market":"us","size":194858},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630008.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630008.jpg","type":"GRAPHIC","id":"NTFILE69reVKQdPwzUQoJp","market":"us","size":198205},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630009.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630009.jpg","type":"GRAPHIC","id":"NTFILEJ7DXQ2hTpKC7m4Q1","market":"us","size":137982},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630010.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630010.jpg","type":"GRAPHIC","id":"NTFILEAmSpbRqr4zHscnhk","market":"us","size":74207},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630011.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630011.jpg","type":"GRAPHIC","id":"NTFILE8tBcZiLgUkFk3RVA","market":"us","size":70122},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630012.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630012.jpg","type":"GRAPHIC","id":"NTFILEDAd21xVUtJdMkyP5","market":"us","size":108228},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630013.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630013.jpg","type":"GRAPHIC","id":"NTFILEGDjLsf5xthKrpsYi","market":"us","size":65288},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630014.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630014.jpg","type":"GRAPHIC","id":"NTFILE3iydbtMMZ5oF7sLL","market":"us","size":78853},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630015.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630015.jpg","type":"GRAPHIC","id":"NTFILE57qdETkqVvTqDPDE","market":"us","size":96547},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630016.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630016.jpg","type":"GRAPHIC","id":"NTFILE9rGQj5xvPfXTkBbi","market":"us","size":98340},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630017.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630017.jpg","type":"GRAPHIC","id":"NTFILE4A4DAt9EgjghMDMU","market":"us","size":92305},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630018.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630018.jpg","type":"GRAPHIC","id":"NTFILEERTMaotdCZLDJTg9","market":"us","size":86316},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630019.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630019.jpg","type":"GRAPHIC","id":"NTFILE5BUD7GT9QsgfEtw5","market":"us","size":162563},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630020.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630020.jpg","type":"GRAPHIC","id":"NTFILE34rkqMqd1VKu9eBf","market":"us","size":98641},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630021.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630021.jpg","type":"GRAPHIC","id":"NTFILEhUaJRbSCBp4iQs9s","market":"us","size":92854},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630022.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630022.jpg","type":"GRAPHIC","id":"NTFILEGKW6EMsXU8ftYFeU","market":"us","size":93275},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630023.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630023.jpg","type":"GRAPHIC","id":"NTFILE8dnyDRNJhoxY3Aa8","market":"us","size":94676},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630024.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630024.jpg","type":"GRAPHIC","id":"NTFILE4yAK4QkTZU7xbiiY","market":"us","size":34228},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630025.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630025.jpg","type":"GRAPHIC","id":"NTFILEBxBp4idrzCaVTH5H","market":"us","size":209794},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630026.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630026.jpg","type":"GRAPHIC","id":"NTFILEHJSY9kgPxNj9yFsn","market":"us","size":166364},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630027.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630027.jpg","type":"GRAPHIC","id":"NTFILE3qjfWUjFjKk8RcPe","market":"us","size":198699},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000134/investorpresentation0630028.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentation0630028.jpg","type":"GRAPHIC","id":"NTFILEACLun2m2YmLAQxMR","market":"us","size":215174}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-08-10 00:00","pubTimestamp":1596988800,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10233880","market":"us","labels":[],"media":"sec.gov","original_id":"AN160265820000132-ISTR","pdf_url":null,"pub_time":1596643200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"ISTR","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/0001602658-20-000132-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q  - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":true,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/istr-20200630.htm","primary":true,"translateUrl":null,"linkName":"istr-20200630.htm","type":"10-Q","id":"NTFILE2QLqDHsAuQDrB8ZF","market":"us","size":5329977},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/a2q2020exhibit311.htm","primary":false,"translateUrl":null,"linkName":"a2q2020exhibit311.htm","type":"EX-31.1","id":"NTFILEC4WUZdKoxkxwjQd8","market":"us","size":12158},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/a2q2020exhibit312.htm","primary":false,"translateUrl":null,"linkName":"a2q2020exhibit312.htm","type":"EX-31.2","id":"NTFILEFscL6rPGA1Rupnta","market":"us","size":12108},{"description":"EXHIBIT 32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/a2q2020exhibit321.htm","primary":false,"translateUrl":null,"linkName":"a2q2020exhibit321.htm","type":"EX-32.1","id":"NTFILEVw5Z89fsmgkgL6cj","market":"us","size":8174},{"description":"EXHIBIT 32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/a2q2020exhibit322.htm","primary":false,"translateUrl":null,"linkName":"a2q2020exhibit322.htm","type":"EX-32.2","id":"NTFILEGYP9q1r6hJHyTYA8","market":"us","size":8164},{"description":"XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/istr-20200630.xsd","primary":false,"translateUrl":null,"linkName":"istr-20200630.xsd","type":"EX-101.SCH","id":"NTFILEAbodBs1FzoNQp1Kg","market":"us","size":56558},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/istr-20200630_cal.xml","primary":false,"translateUrl":null,"linkName":"istr-20200630_cal.xml","type":"EX-101.CAL","id":"NTFILEHkPoMn2tjRQSV6sf","market":"us","size":149085},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/istr-20200630_def.xml","primary":false,"translateUrl":null,"linkName":"istr-20200630_def.xml","type":"EX-101.DEF","id":"NTFILED2TVG4hGMFbJAWYF","market":"us","size":393409},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/istr-20200630_lab.xml","primary":false,"translateUrl":null,"linkName":"istr-20200630_lab.xml","type":"EX-101.LAB","id":"NTFILEH9WrGYL8DBfANs8P","market":"us","size":879997},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/istr-20200630_pre.xml","primary":false,"translateUrl":null,"linkName":"istr-20200630_pre.xml","type":"EX-101.PRE","id":"NTFILEHYRzB2qLUDmAfEMz","market":"us","size":605110},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/istr-20200630_g1.jpg","primary":false,"translateUrl":null,"linkName":"istr-20200630_g1.jpg","type":"GRAPHIC","id":"NTFILEs7VWAnM8ZDSipBEu","market":"us","size":2767},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/istr-20200630_htm.xml","primary":false,"translateUrl":null,"linkName":"istr-20200630_htm.xml","type":"XML","id":"NTFILEFBdg3wRYng5BGRBz","market":"us","size":5394206}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[{"id":23865,"name":"CONSOLIDATED BALANCE SHEETS","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":23866,"name":"CONSOLIDATED BALANCE SHEETS (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":23867,"name":"CONSOLIDATED STATEMENTS OF INCOME","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":23868,"name":"CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":23869,"name":"CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/R6.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":23870,"name":"CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/R7.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":23871,"name":"CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/R8.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":23872,"name":"CONSOLIDATED STATEMENTS OF CASH FLOWS","name_zh":"合并现金流量表","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000132/R9.htm","cdn_url":"https://static.tigerbbs.com/433e0a36f9a091e207d85befb2407d9e","translation_url":"https://static.tigerbbs.com/4d8c3260208986788f69a25c0370535e","translate_status":1}],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2020-08-06 00:00","pubTimestamp":1596643200,"title_zh":"10-Q  - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10231943","market":"us","labels":[],"media":"sec.gov","original_id":"AN160265820000130-ISTR","pdf_url":null,"pub_time":1596643200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ISTR","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000130/0001602658-20-000130-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-10.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000130/exhibit101employmentag.htm","primary":true,"translateUrl":null,"linkName":"exhibit101employmentag.htm","type":"EX-10.1","id":"NTFILE5DjGXYRMAYHn1maA","market":"us","size":155206},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000130/form8-kx8x1x20employme.htm","primary":false,"translateUrl":null,"linkName":"form8-kx8x1x20employme.htm","type":"8-K","id":"NTFILE5W795dJEYP8YZcMP","market":"us","size":48263},{"description":"EX-10.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000130/exhibit102employmentag.htm","primary":false,"translateUrl":null,"linkName":"exhibit102employmentag.htm","type":"EX-10.2","id":"NTFILE272CLoHCQYtopwCX","market":"us","size":155315}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-08-06 00:00","pubTimestamp":1596643200,"title_zh":"8-K  - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10187160","market":"us","labels":[],"media":"sec.gov","original_id":"AN160265820000124-ISTR","pdf_url":null,"pub_time":1595520000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ISTR","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000124/0001602658-20-000124-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000124/exhibit991-q22020earni.htm","primary":true,"translateUrl":null,"linkName":"exhibit991-q22020earni.htm","type":"EX-99.1","id":"NTFILEG8ZRzqgyAhfnN5UZ","market":"us","size":1054578},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000124/form8-kxq22020earnings.htm","primary":false,"translateUrl":null,"linkName":"form8-kxq22020earnings.htm","type":"8-K","id":"NTFILEGQzenZ8Wcex1x3mE","market":"us","size":36522}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-07-24 00:00","pubTimestamp":1595520000,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10120707","market":"us","labels":[],"media":"sec.gov","original_id":"AN160265820000121-ISTR","pdf_url":null,"pub_time":1593532800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ISTR","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000121/0001602658-20-000121-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.02: Termination of a Material Definitive Agreement","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K ITEM 1.02","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1602658/000160265820000121/form8-kagreementtermination.htm","primary":true,"translateUrl":null,"linkName":"form8-kagreementtermination.htm","type":"8-K","id":"NTFILEH5ypVS1Hc3K7a7az","market":"us","size":24047}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-07-01 00:00","pubTimestamp":1593532800,"title_zh":"8-K  - Current report","summary_en":"Item 1.02: Termination of a Material Definitive Agreement","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":11,"pageCount":7,"totalSize":202,"code":"91000000","status":"200"}]}}