Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-20-009600-index-headers.html | 2020-08-06 14:52:24 | |
| 0001558370-20-009600-index.html | 2020-08-06 14:52:24 | |
| 0001558370-20-009600.txt | 2020-08-06 14:52:24 | |
 0001558370-20-009600-xbrl.zip | 354872 | 2020-08-06 14:52:24 |
| FilingSummary.xml | 32216 | 2020-08-06 14:52:24 |
| Financial_Report.xlsx | 101653 | 2020-08-06 14:52:24 |
| iboc-20200630.xsd | 42470 | 2020-08-06 14:52:24 |
| iboc-20200630x10q.htm | 4610379 | 2020-08-06 14:52:24 |
| iboc-20200630x10q_htm.xml | 5601183 | 2020-08-06 14:52:24 |
| iboc-20200630xex31da.htm | 14827 | 2020-08-06 14:52:24 |
| iboc-20200630xex31db.htm | 14799 | 2020-08-06 14:52:24 |
| iboc-20200630xex32da.htm | 10531 | 2020-08-06 14:52:24 |
| iboc-20200630xex32db.htm | 10006 | 2020-08-06 14:52:24 |
| iboc-20200630_cal.xml | 83273 | 2020-08-06 14:52:24 |
| iboc-20200630_def.xml | 270047 | 2020-08-06 14:52:24 |
| iboc-20200630_lab.xml | 534601 | 2020-08-06 14:52:24 |
| iboc-20200630_pre.xml | 447129 | 2020-08-06 14:52:24 |
| MetaLinks.json | 604549 | 2020-08-06 14:52:24 |
| R1.htm | 52250 | 2020-08-06 14:52:24 |
| R10.htm | 14188 | 2020-08-06 14:52:24 |
| R11.htm | 243512 | 2020-08-06 14:52:24 |
| R12.htm | 22585 | 2020-08-06 14:52:24 |
| R13.htm | 1398761 | 2020-08-06 14:52:24 |
| R14.htm | 52803 | 2020-08-06 14:52:24 |
| R15.htm | 292456 | 2020-08-06 14:52:24 |
| R16.htm | 6586 | 2020-08-06 14:52:24 |
| R17.htm | 64028 | 2020-08-06 14:52:24 |
| R18.htm | 7401 | 2020-08-06 14:52:24 |
| R19.htm | 5486 | 2020-08-06 14:52:24 |
| R2.htm | 83420 | 2020-08-06 14:52:24 |
| R20.htm | 17821 | 2020-08-06 14:52:24 |
| R21.htm | 220500 | 2020-08-06 14:52:24 |
| R22.htm | 22113 | 2020-08-06 14:52:24 |
| R23.htm | 1383559 | 2020-08-06 14:52:24 |
| R24.htm | 50922 | 2020-08-06 14:52:24 |
| R25.htm | 289977 | 2020-08-06 14:52:24 |
| R26.htm | 59647 | 2020-08-06 14:52:24 |
| R27.htm | 30319 | 2020-08-06 14:52:24 |
| R28.htm | 28431 | 2020-08-06 14:52:24 |
| R29.htm | 36473 | 2020-08-06 14:52:24 |
| R3.htm | 14997 | 2020-08-06 14:52:24 |
| R30.htm | 21179 | 2020-08-06 14:52:24 |
| R31.htm | 15031 | 2020-08-06 14:52:24 |
| R32.htm | 83981 | 2020-08-06 14:52:24 |
| R33.htm | 41762 | 2020-08-06 14:52:24 |
| R34.htm | 24691 | 2020-08-06 14:52:24 |
| R35.htm | 117377 | 2020-08-06 14:52:24 |
| R36.htm | 80261 | 2020-08-06 14:52:24 |
| R37.htm | 137786 | 2020-08-06 14:52:24 |
| R38.htm | 77865 | 2020-08-06 14:52:24 |
| R39.htm | 65261 | 2020-08-06 14:52:24 |
| R4.htm | 105930 | 2020-08-06 14:52:24 |
| R40.htm | 47100 | 2020-08-06 14:52:24 |
| R41.htm | 59505 | 2020-08-06 14:52:24 |
| R42.htm | 26021 | 2020-08-06 14:52:24 |
| R43.htm | 11024 | 2020-08-06 14:52:24 |
| R44.htm | 6258 | 2020-08-06 14:52:24 |
| R45.htm | 18986 | 2020-08-06 14:52:24 |
| R46.htm | 25951 | 2020-08-06 14:52:24 |
| R47.htm | 15585 | 2020-08-06 14:52:24 |
| R48.htm | 19403 | 2020-08-06 14:52:24 |
| R5.htm | 19971 | 2020-08-06 14:52:24 |
| R6.htm | 7970 | 2020-08-06 14:52:24 |
| R7.htm | 56656 | 2020-08-06 14:52:24 |
| R8.htm | 7388 | 2020-08-06 14:52:24 |
| R9.htm | 111111 | 2020-08-06 14:52:24 |
| report.css | 2767 | 2020-08-06 14:52:24 |
| Show.js | 1085 | 2020-08-06 14:52:24 |