Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000776901-22-000094-index-headers.html | 2022-05-05 16:11:54 | |
| 0000776901-22-000094-index.html | 2022-05-05 16:11:54 | |
| 0000776901-22-000094.txt | 2022-05-05 16:11:54 | |
 0000776901-22-000094-xbrl.zip | 1327653 | 2022-05-05 16:11:54 |
| exhibit311-indb0331202210x.htm | 9992 | 2022-05-05 16:11:54 |
| exhibit312-indb03x31x20221.htm | 10020 | 2022-05-05 16:11:54 |
| exhibit321-indb03x31x20221.htm | 6202 | 2022-05-05 16:11:54 |
| exhibit322-indb03x31x20221.htm | 5733 | 2022-05-05 16:11:54 |
| FilingSummary.xml | 42550 | 2022-05-05 16:11:54 |
| Financial_Report.xlsx | 146411 | 2022-05-05 16:11:54 |
| indb-20220331.htm | 4800668 | 2022-05-05 16:11:54 |
| indb-20220331.xsd | 69122 | 2022-05-05 16:11:54 |
| indb-20220331_cal.xml | 144641 | 2022-05-05 16:11:54 |
| indb-20220331_def.xml | 609506 | 2022-05-05 16:11:54 |
 indb-20220331_g1.jpg | 140352 | 2022-05-05 16:11:54 |
 indb-20220331_g2.jpg | 127415 | 2022-05-05 16:11:54 |
 indb-20220331_g3.jpg | 101718 | 2022-05-05 16:11:54 |
 indb-20220331_g4.jpg | 150488 | 2022-05-05 16:11:54 |
 indb-20220331_g5.jpg | 104289 | 2022-05-05 16:11:54 |
 indb-20220331_g6.jpg | 116187 | 2022-05-05 16:11:54 |
 indb-20220331_g7.jpg | 143822 | 2022-05-05 16:11:54 |
 indb-20220331_g8.jpg | 111326 | 2022-05-05 16:11:54 |
 indb-20220331_g9.jpg | 90672 | 2022-05-05 16:11:54 |
| indb-20220331_htm.xml | 5400615 | 2022-05-05 16:11:54 |
| indb-20220331_lab.xml | 969744 | 2022-05-05 16:11:54 |
| indb-20220331_pre.xml | 740851 | 2022-05-05 16:11:54 |
| MetaLinks.json | 943911 | 2022-05-05 16:11:54 |
| R1.htm | 67111 | 2022-05-05 16:11:54 |
| R10.htm | 14205 | 2022-05-05 16:11:54 |
| R11.htm | 17655 | 2022-05-05 16:11:54 |
| R12.htm | 6837 | 2022-05-05 16:11:54 |
| R13.htm | 10701 | 2022-05-05 16:11:54 |
| R14.htm | 295425 | 2022-05-05 16:11:54 |
| R15.htm | 662512 | 2022-05-05 16:11:54 |
| R16.htm | 13136 | 2022-05-05 16:11:54 |
| R17.htm | 194603 | 2022-05-05 16:11:54 |
| R18.htm | 205467 | 2022-05-05 16:11:54 |
| R19.htm | 45525 | 2022-05-05 16:11:54 |
| R2.htm | 192089 | 2022-05-05 16:11:54 |
| R20.htm | 81058 | 2022-05-05 16:11:54 |
| R21.htm | 17908 | 2022-05-05 16:11:54 |
| R22.htm | 5117 | 2022-05-05 16:11:54 |
| R23.htm | 6482 | 2022-05-05 16:11:54 |
| R24.htm | 291001 | 2022-05-05 16:11:54 |
| R25.htm | 652465 | 2022-05-05 16:11:54 |
| R26.htm | 11196 | 2022-05-05 16:11:54 |
| R27.htm | 186661 | 2022-05-05 16:11:54 |
| R28.htm | 190840 | 2022-05-05 16:11:54 |
| R29.htm | 25918 | 2022-05-05 16:11:54 |
| R3.htm | 27240 | 2022-05-05 16:11:54 |
| R30.htm | 29232 | 2022-05-05 16:11:54 |
| R31.htm | 10976 | 2022-05-05 16:11:54 |
| R32.htm | 9329 | 2022-05-05 16:11:54 |
| R33.htm | 45550 | 2022-05-05 16:11:54 |
| R34.htm | 51716 | 2022-05-05 16:11:54 |
| R35.htm | 37936 | 2022-05-05 16:11:54 |
| R36.htm | 164600 | 2022-05-05 16:11:54 |
| R37.htm | 35477 | 2022-05-05 16:11:54 |
| R38.htm | 77432 | 2022-05-05 16:11:54 |
| R39.htm | 294637 | 2022-05-05 16:11:54 |
| R4.htm | 115880 | 2022-05-05 16:11:54 |
| R40.htm | 13027 | 2022-05-05 16:11:54 |
| R41.htm | 36322 | 2022-05-05 16:11:54 |
| R42.htm | 6632 | 2022-05-05 16:11:54 |
| R43.htm | 141355 | 2022-05-05 16:11:54 |
| R44.htm | 27299 | 2022-05-05 16:11:54 |
| R45.htm | 27513 | 2022-05-05 16:11:54 |
| R46.htm | 14721 | 2022-05-05 16:11:54 |
| R47.htm | 52488 | 2022-05-05 16:11:54 |
| R48.htm | 13143 | 2022-05-05 16:11:54 |
| R49.htm | 14002 | 2022-05-05 16:11:54 |
| R5.htm | 34226 | 2022-05-05 16:11:54 |
| R50.htm | 27286 | 2022-05-05 16:11:54 |
| R51.htm | 48855 | 2022-05-05 16:11:54 |
| R52.htm | 82300 | 2022-05-05 16:11:54 |
| R53.htm | 31629 | 2022-05-05 16:11:54 |
| R54.htm | 45537 | 2022-05-05 16:11:54 |
| R55.htm | 100439 | 2022-05-05 16:11:54 |
| R56.htm | 119232 | 2022-05-05 16:11:54 |
| R57.htm | 29341 | 2022-05-05 16:11:54 |
| R58.htm | 4206 | 2022-05-05 16:11:54 |
| R59.htm | 102578 | 2022-05-05 16:11:54 |
| R6.htm | 75763 | 2022-05-05 16:11:54 |
| R60.htm | 23764 | 2022-05-05 16:11:54 |
| R61.htm | 12784 | 2022-05-05 16:11:54 |
| R62.htm | 7497 | 2022-05-05 16:11:54 |
| R63.htm | 9335 | 2022-05-05 16:11:54 |
| R7.htm | 23293 | 2022-05-05 16:11:54 |
| R8.htm | 117195 | 2022-05-05 16:11:54 |
| R9.htm | 14817 | 2022-05-05 16:11:54 |
| report.css | 2767 | 2022-05-05 16:11:54 |
| Show.js | 1085 | 2022-05-05 16:11:54 |