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| 0001193125-19-206876-index.html | 2019-07-30 14:52:04 | |
| 0001193125-19-206876.txt | 2019-07-30 14:52:04 | |
 0001193125-19-206876-xbrl.zip | 269243 | 2019-07-30 14:52:04 |
| d778265d10q.htm | 5144876 | 2019-07-30 14:52:04 |
| d778265d10q_htm.xml | 4608628 | 2019-07-30 14:52:04 |
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| d778265dex311.htm | 6810 | 2019-07-30 14:52:04 |
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| d778265dex321.htm | 4382 | 2019-07-30 14:52:04 |
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| ffin-20190630_pre.xml | 414069 | 2019-07-30 14:52:04 |
| FilingSummary.xml | 43493 | 2019-07-30 14:52:04 |
| Financial_Report.xlsx | 98145 | 2019-07-30 14:52:04 |
| MetaLinks.json | 642934 | 2019-07-30 14:52:04 |
| R1.htm | 52352 | 2019-07-30 14:52:04 |
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| report.css | 2767 | 2019-07-30 14:52:04 |
| Show.js | 1085 | 2019-07-30 14:52:04 |