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|---|---|---|
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| 0000950170-23-017017-index.html | 2023-05-03 12:56:19 | |
| 0000950170-23-017017.txt | 2023-05-03 12:56:19 | |
 0000950170-23-017017-xbrl.zip | 511730 | 2023-05-03 12:56:19 |
| ffin-20230331.htm | 11911957 | 2023-05-03 12:56:19 |
| ffin-20230331.xsd | 70312 | 2023-05-03 12:56:19 |
| ffin-20230331_cal.xml | 85342 | 2023-05-03 12:56:19 |
| ffin-20230331_def.xml | 352050 | 2023-05-03 12:56:19 |
| ffin-20230331_htm.xml | 17686094 | 2023-05-03 12:56:19 |
| ffin-20230331_lab.xml | 618934 | 2023-05-03 12:56:19 |
| ffin-20230331_pre.xml | 533945 | 2023-05-03 12:56:19 |
| ffin-ex31_1.htm | 16357 | 2023-05-03 12:56:19 |
| ffin-ex31_2.htm | 18058 | 2023-05-03 12:56:19 |
| ffin-ex32_1.htm | 14373 | 2023-05-03 12:56:19 |
| ffin-ex32_2.htm | 16570 | 2023-05-03 12:56:19 |
| FilingSummary.xml | 37393 | 2023-05-03 12:56:19 |
| Financial_Report.xlsx | 149057 | 2023-05-03 12:56:19 |
| MetaLinks.json | 920036 | 2023-05-03 12:56:19 |
| R1.htm | 51525 | 2023-05-03 12:56:19 |
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| report.css | 2767 | 2023-05-03 12:56:19 |
| Show.js | 1085 | 2023-05-03 12:56:19 |