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| 0000039263-26-000035-index.html | 2026-04-30 17:18:08 | |
| 0000039263-26-000035.txt | 2026-04-30 17:18:08 | |
 0000039263-26-000035-xbrl.zip | 422144 | 2026-04-30 17:18:08 |
| cfr-20260331.htm | 3484610 | 2026-04-30 17:18:08 |
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| report.css | 2768 | 2026-04-30 17:18:08 |
| Show.js | 1086 | 2026-04-30 17:18:08 |