Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000776901-23-000125-index-headers.html | 2023-05-04 16:12:44 | |
| 0000776901-23-000125-index.html | 2023-05-04 16:12:44 | |
| 0000776901-23-000125.txt | 2023-05-04 16:12:44 | |
 0000776901-23-000125-xbrl.zip | 1345546 | 2023-05-04 16:12:44 |
| exhibit311-indb0331202310x.htm | 9977 | 2023-05-04 16:12:44 |
| exhibit312-indb03x31x20231.htm | 10074 | 2023-05-04 16:12:44 |
| exhibit321-indb03x31x20231.htm | 5811 | 2023-05-04 16:12:44 |
| exhibit322-indb03x31x20231.htm | 5733 | 2023-05-04 16:12:44 |
| FilingSummary.xml | 40881 | 2023-05-04 16:12:44 |
| Financial_Report.xlsx | 154016 | 2023-05-04 16:12:44 |
| indb-20230331.htm | 4756895 | 2023-05-04 16:12:44 |
| indb-20230331.xsd | 65307 | 2023-05-04 16:12:44 |
| indb-20230331_cal.xml | 156240 | 2023-05-04 16:12:44 |
| indb-20230331_def.xml | 508637 | 2023-05-04 16:12:44 |
 indb-20230331_g1.jpg | 140281 | 2023-05-04 16:12:44 |
 indb-20230331_g2.jpg | 131580 | 2023-05-04 16:12:44 |
 indb-20230331_g3.jpg | 113254 | 2023-05-04 16:12:44 |
 indb-20230331_g4.jpg | 158680 | 2023-05-04 16:12:44 |
 indb-20230331_g5.jpg | 109972 | 2023-05-04 16:12:44 |
 indb-20230331_g6.jpg | 119948 | 2023-05-04 16:12:44 |
 indb-20230331_g7.jpg | 115013 | 2023-05-04 16:12:44 |
 indb-20230331_g8.jpg | 147555 | 2023-05-04 16:12:44 |
 indb-20230331_g9.jpg | 91762 | 2023-05-04 16:12:44 |
| indb-20230331_htm.xml | 5479091 | 2023-05-04 16:12:44 |
| indb-20230331_lab.xml | 945000 | 2023-05-04 16:12:44 |
| indb-20230331_pre.xml | 676565 | 2023-05-04 16:12:44 |
| MetaLinks.json | 1071982 | 2023-05-04 16:12:44 |
| R1.htm | 59376 | 2023-05-04 16:12:44 |
| R10.htm | 6701 | 2023-05-04 16:12:44 |
| R11.htm | 293127 | 2023-05-04 16:12:44 |
| R12.htm | 721058 | 2023-05-04 16:12:44 |
| R13.htm | 8736 | 2023-05-04 16:12:44 |
| R14.htm | 15712 | 2023-05-04 16:12:44 |
| R15.htm | 184239 | 2023-05-04 16:12:44 |
| R16.htm | 200534 | 2023-05-04 16:12:44 |
| R17.htm | 45948 | 2023-05-04 16:12:44 |
| R18.htm | 80071 | 2023-05-04 16:12:44 |
| R19.htm | 17515 | 2023-05-04 16:12:44 |
| R2.htm | 156819 | 2023-05-04 16:12:44 |
| R20.htm | 6468 | 2023-05-04 16:12:44 |
| R21.htm | 294959 | 2023-05-04 16:12:44 |
| R22.htm | 714379 | 2023-05-04 16:12:44 |
| R23.htm | 12079 | 2023-05-04 16:12:44 |
| R24.htm | 176023 | 2023-05-04 16:12:44 |
| R25.htm | 185297 | 2023-05-04 16:12:44 |
| R26.htm | 25822 | 2023-05-04 16:12:44 |
| R27.htm | 81659 | 2023-05-04 16:12:44 |
| R28.htm | 10908 | 2023-05-04 16:12:44 |
| R29.htm | 9444 | 2023-05-04 16:12:44 |
| R3.htm | 32096 | 2023-05-04 16:12:44 |
| R30.htm | 40949 | 2023-05-04 16:12:44 |
| R31.htm | 56447 | 2023-05-04 16:12:44 |
| R32.htm | 42709 | 2023-05-04 16:12:44 |
| R33.htm | 157408 | 2023-05-04 16:12:44 |
| R34.htm | 48171 | 2023-05-04 16:12:44 |
| R35.htm | 41643 | 2023-05-04 16:12:44 |
| R36.htm | 324867 | 2023-05-04 16:12:44 |
| R37.htm | 13427 | 2023-05-04 16:12:44 |
| R38.htm | 30870 | 2023-05-04 16:12:44 |
| R39.htm | 6140 | 2023-05-04 16:12:44 |
| R4.htm | 116708 | 2023-05-04 16:12:44 |
| R40.htm | 142552 | 2023-05-04 16:12:44 |
| R41.htm | 22723 | 2023-05-04 16:12:44 |
| R42.htm | 23916 | 2023-05-04 16:12:44 |
| R43.htm | 17412 | 2023-05-04 16:12:44 |
| R44.htm | 7227 | 2023-05-04 16:12:44 |
| R45.htm | 14328 | 2023-05-04 16:12:44 |
| R46.htm | 22905 | 2023-05-04 16:12:44 |
| R47.htm | 21702 | 2023-05-04 16:12:44 |
| R48.htm | 26859 | 2023-05-04 16:12:44 |
| R49.htm | 49627 | 2023-05-04 16:12:44 |
| R5.htm | 34005 | 2023-05-04 16:12:44 |
| R50.htm | 91155 | 2023-05-04 16:12:44 |
| R51.htm | 23660 | 2023-05-04 16:12:44 |
| R52.htm | 46243 | 2023-05-04 16:12:44 |
| R53.htm | 89886 | 2023-05-04 16:12:44 |
| R54.htm | 105819 | 2023-05-04 16:12:44 |
| R55.htm | 30992 | 2023-05-04 16:12:44 |
| R56.htm | 4177 | 2023-05-04 16:12:44 |
| R57.htm | 87184 | 2023-05-04 16:12:44 |
| R58.htm | 24564 | 2023-05-04 16:12:44 |
| R59.htm | 12644 | 2023-05-04 16:12:44 |
| R6.htm | 79738 | 2023-05-04 16:12:44 |
| R60.htm | 5459 | 2023-05-04 16:12:44 |
| R61.htm | 5602 | 2023-05-04 16:12:44 |
| R7.htm | 25416 | 2023-05-04 16:12:44 |
| R8.htm | 117977 | 2023-05-04 16:12:44 |
| R9.htm | 7306 | 2023-05-04 16:12:44 |
| report.css | 2767 | 2023-05-04 16:12:44 |
| Show.js | 1085 | 2023-05-04 16:12:44 |