Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-17-006096-index-headers.html | 2017-08-07 14:59:50 | |
| 0001558370-17-006096-index.html | 2017-08-07 14:59:50 | |
| 0001558370-17-006096.txt | 2017-08-07 14:59:50 | |
 0001558370-17-006096-xbrl.zip | 232729 | 2017-08-07 14:59:50 |
| FilingSummary.xml | 30083 | 2017-08-07 14:59:50 |
| Financial_Report.xlsx | 81293 | 2017-08-07 14:59:50 |
| iboc-20170630.xml | 6205928 | 2017-08-07 14:59:50 |
| iboc-20170630.xsd | 42102 | 2017-08-07 14:59:50 |
| iboc-20170630x10q.htm | 4429176 | 2017-08-07 14:59:50 |
| iboc-20170630xex31a.htm | 15230 | 2017-08-07 14:59:50 |
| iboc-20170630xex31b.htm | 15066 | 2017-08-07 14:59:50 |
| iboc-20170630xex32a.htm | 12128 | 2017-08-07 14:59:50 |
| iboc-20170630xex32b.htm | 11751 | 2017-08-07 14:59:50 |
| iboc-20170630_cal.xml | 77626 | 2017-08-07 14:59:50 |
| iboc-20170630_def.xml | 174898 | 2017-08-07 14:59:50 |
| iboc-20170630_lab.xml | 505342 | 2017-08-07 14:59:50 |
| iboc-20170630_pre.xml | 369676 | 2017-08-07 14:59:50 |
| R1.htm | 22229 | 2017-08-07 14:59:50 |
| R10.htm | 341521 | 2017-08-07 14:59:50 |
| R11.htm | 32821 | 2017-08-07 14:59:50 |
| R12.htm | 1714321 | 2017-08-07 14:59:50 |
| R13.htm | 71969 | 2017-08-07 14:59:50 |
| R14.htm | 349410 | 2017-08-07 14:59:50 |
| R15.htm | 6432 | 2017-08-07 14:59:50 |
| R16.htm | 90938 | 2017-08-07 14:59:50 |
| R17.htm | 13085 | 2017-08-07 14:59:50 |
| R18.htm | 8565 | 2017-08-07 14:59:50 |
| R19.htm | 15677 | 2017-08-07 14:59:50 |
| R2.htm | 84787 | 2017-08-07 14:59:50 |
| R20.htm | 317723 | 2017-08-07 14:59:50 |
| R21.htm | 30424 | 2017-08-07 14:59:50 |
| R22.htm | 1708379 | 2017-08-07 14:59:50 |
| R23.htm | 68344 | 2017-08-07 14:59:50 |
| R24.htm | 346023 | 2017-08-07 14:59:50 |
| R25.htm | 86229 | 2017-08-07 14:59:50 |
| R26.htm | 6194 | 2017-08-07 14:59:50 |
| R27.htm | 30062 | 2017-08-07 14:59:50 |
| R28.htm | 12730 | 2017-08-07 14:59:50 |
| R29.htm | 30913 | 2017-08-07 14:59:50 |
| R3.htm | 18107 | 2017-08-07 14:59:50 |
| R30.htm | 19491 | 2017-08-07 14:59:50 |
| R31.htm | 16018 | 2017-08-07 14:59:50 |
| R32.htm | 55620 | 2017-08-07 14:59:50 |
| R33.htm | 37718 | 2017-08-07 14:59:50 |
| R34.htm | 22903 | 2017-08-07 14:59:50 |
| R35.htm | 97655 | 2017-08-07 14:59:50 |
| R36.htm | 70549 | 2017-08-07 14:59:50 |
| R37.htm | 64138 | 2017-08-07 14:59:50 |
| R38.htm | 65247 | 2017-08-07 14:59:50 |
| R39.htm | 48825 | 2017-08-07 14:59:50 |
| R4.htm | 107952 | 2017-08-07 14:59:50 |
| R40.htm | 66141 | 2017-08-07 14:59:50 |
| R41.htm | 29374 | 2017-08-07 14:59:50 |
| R42.htm | 15575 | 2017-08-07 14:59:50 |
| R43.htm | 6256 | 2017-08-07 14:59:50 |
| R44.htm | 19000 | 2017-08-07 14:59:50 |
| R45.htm | 29024 | 2017-08-07 14:59:50 |
| R46.htm | 21542 | 2017-08-07 14:59:50 |
| R47.htm | 6479 | 2017-08-07 14:59:50 |
| R48.htm | 23553 | 2017-08-07 14:59:50 |
| R5.htm | 7549 | 2017-08-07 14:59:50 |
| R6.htm | 21689 | 2017-08-07 14:59:50 |
| R7.htm | 10320 | 2017-08-07 14:59:50 |
| R8.htm | 109962 | 2017-08-07 14:59:50 |
| R9.htm | 8315 | 2017-08-07 14:59:50 |
| report.css | 2767 | 2017-08-07 14:59:50 |
| Show.js | 1410 | 2017-08-07 14:59:50 |