Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-24-014841-index-headers.html | 2024-11-07 15:29:20 | |
| 0001558370-24-014841-index.html | 2024-11-07 15:29:20 | |
| 0001558370-24-014841.txt | 2024-11-07 15:29:20 | |
 0001558370-24-014841-xbrl.zip | 364860 | 2024-11-07 15:29:20 |
| FilingSummary.xml | 33231 | 2024-11-07 15:29:20 |
| Financial_Report.xlsx | 113239 | 2024-11-07 15:29:20 |
| iboc-20240930.xsd | 48617 | 2024-11-07 15:29:20 |
| iboc-20240930x10q.htm | 4782969 | 2024-11-07 15:29:20 |
| iboc-20240930x10q_htm.xml | 5901460 | 2024-11-07 15:29:20 |
| iboc-20240930xex31da.htm | 14800 | 2024-11-07 15:29:20 |
| iboc-20240930xex31db.htm | 14833 | 2024-11-07 15:29:20 |
| iboc-20240930xex32da.htm | 10494 | 2024-11-07 15:29:20 |
| iboc-20240930xex32db.htm | 9933 | 2024-11-07 15:29:20 |
| iboc-20240930_cal.xml | 86028 | 2024-11-07 15:29:20 |
| iboc-20240930_def.xml | 287525 | 2024-11-07 15:29:20 |
| iboc-20240930_lab.xml | 564933 | 2024-11-07 15:29:20 |
| iboc-20240930_pre.xml | 439181 | 2024-11-07 15:29:20 |
| MetaLinks.json | 861797 | 2024-11-07 15:29:20 |
| R1.htm | 51594 | 2024-11-07 15:29:20 |
| R10.htm | 8677 | 2024-11-07 15:29:20 |
| R11.htm | 248343 | 2024-11-07 15:29:20 |
| R12.htm | 23802 | 2024-11-07 15:29:20 |
| R13.htm | 1443273 | 2024-11-07 15:29:20 |
| R14.htm | 100721 | 2024-11-07 15:29:20 |
| R15.htm | 295309 | 2024-11-07 15:29:20 |
| R16.htm | 6305 | 2024-11-07 15:29:20 |
| R17.htm | 60814 | 2024-11-07 15:29:20 |
| R18.htm | 12952 | 2024-11-07 15:29:20 |
| R19.htm | 6423 | 2024-11-07 15:29:20 |
| R2.htm | 112223 | 2024-11-07 15:29:20 |
| R20.htm | 18746 | 2024-11-07 15:29:20 |
| R21.htm | 14821 | 2024-11-07 15:29:20 |
| R22.htm | 8479 | 2024-11-07 15:29:20 |
| R23.htm | 221073 | 2024-11-07 15:29:20 |
| R24.htm | 23495 | 2024-11-07 15:29:20 |
| R25.htm | 1423954 | 2024-11-07 15:29:20 |
| R26.htm | 97754 | 2024-11-07 15:29:20 |
| R27.htm | 290382 | 2024-11-07 15:29:20 |
| R28.htm | 56712 | 2024-11-07 15:29:20 |
| R29.htm | 6789 | 2024-11-07 15:29:20 |
| R3.htm | 16101 | 2024-11-07 15:29:20 |
| R30.htm | 33698 | 2024-11-07 15:29:20 |
| R31.htm | 29371 | 2024-11-07 15:29:20 |
| R32.htm | 21726 | 2024-11-07 15:29:20 |
| R33.htm | 16332 | 2024-11-07 15:29:20 |
| R34.htm | 63753 | 2024-11-07 15:29:20 |
| R35.htm | 47250 | 2024-11-07 15:29:20 |
| R36.htm | 24884 | 2024-11-07 15:29:20 |
| R37.htm | 4361 | 2024-11-07 15:29:20 |
| R38.htm | 100055 | 2024-11-07 15:29:20 |
| R39.htm | 217734 | 2024-11-07 15:29:20 |
| R4.htm | 128176 | 2024-11-07 15:29:20 |
| R40.htm | 75444 | 2024-11-07 15:29:20 |
| R41.htm | 74373 | 2024-11-07 15:29:20 |
| R42.htm | 45068 | 2024-11-07 15:29:20 |
| R43.htm | 61862 | 2024-11-07 15:29:20 |
| R44.htm | 27180 | 2024-11-07 15:29:20 |
| R45.htm | 14435 | 2024-11-07 15:29:20 |
| R46.htm | 21945 | 2024-11-07 15:29:20 |
| R47.htm | 4388 | 2024-11-07 15:29:20 |
| R48.htm | 14360 | 2024-11-07 15:29:20 |
| R49.htm | 33635 | 2024-11-07 15:29:20 |
| R5.htm | 29958 | 2024-11-07 15:29:20 |
| R50.htm | 31275 | 2024-11-07 15:29:20 |
| R51.htm | 14741 | 2024-11-07 15:29:20 |
| R6.htm | 7873 | 2024-11-07 15:29:20 |
| R7.htm | 65517 | 2024-11-07 15:29:20 |
| R8.htm | 7265 | 2024-11-07 15:29:20 |
| R9.htm | 116453 | 2024-11-07 15:29:20 |
| report.css | 2767 | 2024-11-07 15:29:20 |
| Show.js | 1085 | 2024-11-07 15:29:20 |