Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000039263-26-000011-index-headers.html | 2026-02-05 15:51:14 | |
| 0000039263-26-000011-index.html | 2026-02-05 15:51:14 | |
| 0000039263-26-000011.txt | 2026-02-05 15:51:14 | |
 0000039263-26-000011-xbrl.zip | 818712 | 2026-02-05 15:51:14 |
| cfr-20251231.htm | 5836311 | 2026-02-05 15:51:14 |
| cfr-20251231.xsd | 135219 | 2026-02-05 15:51:14 |
| cfr-20251231_cal.xml | 182767 | 2026-02-05 15:51:14 |
| cfr-20251231_def.xml | 880728 | 2026-02-05 15:51:14 |
 cfr-20251231_g1.jpg | 102359 | 2026-02-05 15:51:14 |
 cfr-20251231_g2.jpg | 7839 | 2026-02-05 15:51:14 |
| cfr-20251231_htm.xml | 6895684 | 2026-02-05 15:51:14 |
| cfr-20251231_lab.xml | 1465087 | 2026-02-05 15:51:14 |
| cfr-20251231_pre.xml | 1244081 | 2026-02-05 15:51:14 |
| exhibit1016-executivechang.htm | 114267 | 2026-02-05 15:51:14 |
| exhibit211-subsidiariesx10.htm | 10828 | 2026-02-05 15:51:14 |
| exhibit231-consentofindepe.htm | 5227 | 2026-02-05 15:51:14 |
| exhibit241-powerofattorney.htm | 23570 | 2026-02-05 15:51:14 |
| exhibit311-10xkx2025.htm | 9951 | 2026-02-05 15:51:14 |
| exhibit312-10xkx2025.htm | 10053 | 2026-02-05 15:51:14 |
| exhibit321-10kx2025.htm | 4793 | 2026-02-05 15:51:14 |
| exhibit322-10kx2025.htm | 5039 | 2026-02-05 15:51:14 |
| FilingSummary.xml | 93094 | 2026-02-05 15:51:14 |
| MetaLinks.json | 1963987 | 2026-02-05 15:51:14 |
| R1.htm | 78200 | 2026-02-05 15:51:14 |
| R10.htm | 223246 | 2026-02-05 15:51:14 |
| R100.htm | 24167 | 2026-02-05 15:51:14 |
| R101.htm | 18722 | 2026-02-05 15:51:14 |
| R102.htm | 15912 | 2026-02-05 15:51:14 |
| R103.htm | 10240 | 2026-02-05 15:51:14 |
| R104.htm | 32164 | 2026-02-05 15:51:14 |
| R105.htm | 17296 | 2026-02-05 15:51:14 |
| R106.htm | 64837 | 2026-02-05 15:51:14 |
| R107.htm | 16158 | 2026-02-05 15:51:14 |
| R108.htm | 17760 | 2026-02-05 15:51:14 |
| R109.htm | 13068 | 2026-02-05 15:51:14 |
| R11.htm | 1013193 | 2026-02-05 15:51:14 |
| R110.htm | 6561 | 2026-02-05 15:51:14 |
| R111.htm | 15444 | 2026-02-05 15:51:14 |
| R112.htm | 8646 | 2026-02-05 15:51:14 |
| R113.htm | 16032 | 2026-02-05 15:51:14 |
| R114.htm | 81551 | 2026-02-05 15:51:14 |
| R115.htm | 35188 | 2026-02-05 15:51:14 |
| R116.htm | 77791 | 2026-02-05 15:51:14 |
| R117.htm | 31662 | 2026-02-05 15:51:14 |
| R118.htm | 18313 | 2026-02-05 15:51:14 |
| R119.htm | 27484 | 2026-02-05 15:51:14 |
| R12.htm | 33752 | 2026-02-05 15:51:14 |
| R120.htm | 14417 | 2026-02-05 15:51:14 |
| R121.htm | 23337 | 2026-02-05 15:51:14 |
| R122.htm | 13720 | 2026-02-05 15:51:14 |
| R123.htm | 15209 | 2026-02-05 15:51:14 |
| R124.htm | 56085 | 2026-02-05 15:51:14 |
| R125.htm | 85954 | 2026-02-05 15:51:14 |
| R126.htm | 25001 | 2026-02-05 15:51:14 |
| R127.htm | 5660 | 2026-02-05 15:51:14 |
| R128.htm | 71035 | 2026-02-05 15:51:14 |
| R129.htm | 15872 | 2026-02-05 15:51:14 |
| R13.htm | 30559 | 2026-02-05 15:51:14 |
| R130.htm | 8188 | 2026-02-05 15:51:14 |
| R131.htm | 48270 | 2026-02-05 15:51:14 |
| R132.htm | 9754 | 2026-02-05 15:51:14 |
| R133.htm | 136869 | 2026-02-05 15:51:14 |
| R134.htm | 63626 | 2026-02-05 15:51:14 |
| R135.htm | 68928 | 2026-02-05 15:51:14 |
| R136.htm | 61077 | 2026-02-05 15:51:14 |
| R14.htm | 17724 | 2026-02-05 15:51:14 |
| R15.htm | 26328 | 2026-02-05 15:51:14 |
| R16.htm | 87118 | 2026-02-05 15:51:14 |
| R17.htm | 29272 | 2026-02-05 15:51:14 |
| R18.htm | 195748 | 2026-02-05 15:51:14 |
| R19.htm | 20448 | 2026-02-05 15:51:14 |
| R2.htm | 119949 | 2026-02-05 15:51:14 |
| R20.htm | 82693 | 2026-02-05 15:51:14 |
| R21.htm | 88758 | 2026-02-05 15:51:14 |
| R22.htm | 86114 | 2026-02-05 15:51:14 |
| R23.htm | 166935 | 2026-02-05 15:51:14 |
| R24.htm | 130667 | 2026-02-05 15:51:14 |
| R25.htm | 198240 | 2026-02-05 15:51:14 |
| R26.htm | 82340 | 2026-02-05 15:51:14 |
| R27.htm | 28359 | 2026-02-05 15:51:14 |
| R28.htm | 8466 | 2026-02-05 15:51:14 |
| R29.htm | 4371 | 2026-02-05 15:51:14 |
| R3.htm | 22812 | 2026-02-05 15:51:14 |
| R30.htm | 15015 | 2026-02-05 15:51:14 |
| R31.htm | 182847 | 2026-02-05 15:51:14 |
| R32.htm | 23131 | 2026-02-05 15:51:14 |
| R33.htm | 7984 | 2026-02-05 15:51:14 |
| R34.htm | 8504 | 2026-02-05 15:51:14 |
| R35.htm | 18558 | 2026-02-05 15:51:14 |
| R36.htm | 33232 | 2026-02-05 15:51:14 |
| R37.htm | 17805 | 2026-02-05 15:51:14 |
| R38.htm | 240695 | 2026-02-05 15:51:14 |
| R39.htm | 1000838 | 2026-02-05 15:51:14 |
| R4.htm | 138870 | 2026-02-05 15:51:14 |
| R40.htm | 34779 | 2026-02-05 15:51:14 |
| R41.htm | 36715 | 2026-02-05 15:51:14 |
| R42.htm | 20180 | 2026-02-05 15:51:14 |
| R43.htm | 64788 | 2026-02-05 15:51:14 |
| R44.htm | 27298 | 2026-02-05 15:51:14 |
| R45.htm | 201390 | 2026-02-05 15:51:14 |
| R46.htm | 19363 | 2026-02-05 15:51:14 |
| R47.htm | 82856 | 2026-02-05 15:51:14 |
| R48.htm | 90317 | 2026-02-05 15:51:14 |
| R49.htm | 77777 | 2026-02-05 15:51:14 |
| R5.htm | 60475 | 2026-02-05 15:51:14 |
| R50.htm | 169046 | 2026-02-05 15:51:14 |
| R51.htm | 113956 | 2026-02-05 15:51:14 |
| R52.htm | 187750 | 2026-02-05 15:51:14 |
| R53.htm | 86811 | 2026-02-05 15:51:14 |
| R54.htm | 46895 | 2026-02-05 15:51:14 |
| R55.htm | 16114 | 2026-02-05 15:51:14 |
| R56.htm | 28819 | 2026-02-05 15:51:14 |
| R57.htm | 52529 | 2026-02-05 15:51:14 |
| R58.htm | 53067 | 2026-02-05 15:51:14 |
| R59.htm | 15452 | 2026-02-05 15:51:14 |
| R6.htm | 55228 | 2026-02-05 15:51:14 |
| R60.htm | 53446 | 2026-02-05 15:51:14 |
| R61.htm | 34913 | 2026-02-05 15:51:14 |
| R62.htm | 99889 | 2026-02-05 15:51:14 |
| R63.htm | 11199 | 2026-02-05 15:51:14 |
| R64.htm | 8579 | 2026-02-05 15:51:14 |
| R65.htm | 9759 | 2026-02-05 15:51:14 |
| R66.htm | 9121 | 2026-02-05 15:51:14 |
| R67.htm | 105624 | 2026-02-05 15:51:14 |
| R68.htm | 43658 | 2026-02-05 15:51:14 |
| R69.htm | 10868 | 2026-02-05 15:51:14 |
| R7.htm | 13518 | 2026-02-05 15:51:14 |
| R70.htm | 25306 | 2026-02-05 15:51:14 |
| R71.htm | 92836 | 2026-02-05 15:51:14 |
| R72.htm | 73235 | 2026-02-05 15:51:14 |
| R73.htm | 36555 | 2026-02-05 15:51:14 |
| R74.htm | 50827 | 2026-02-05 15:51:14 |
| R75.htm | 283903 | 2026-02-05 15:51:14 |
| R76.htm | 142937 | 2026-02-05 15:51:14 |
| R77.htm | 22290 | 2026-02-05 15:51:14 |
| R78.htm | 51640 | 2026-02-05 15:51:14 |
| R79.htm | 41773 | 2026-02-05 15:51:14 |
| R8.htm | 109691 | 2026-02-05 15:51:14 |
| R80.htm | 142233 | 2026-02-05 15:51:14 |
| R81.htm | 53031 | 2026-02-05 15:51:14 |
| R82.htm | 16512 | 2026-02-05 15:51:14 |
| R83.htm | 24646 | 2026-02-05 15:51:14 |
| R84.htm | 9969 | 2026-02-05 15:51:14 |
| R85.htm | 32996 | 2026-02-05 15:51:14 |
| R86.htm | 15514 | 2026-02-05 15:51:14 |
| R87.htm | 17805 | 2026-02-05 15:51:14 |
| R88.htm | 8306 | 2026-02-05 15:51:14 |
| R89.htm | 12931 | 2026-02-05 15:51:14 |
| R9.htm | 57880 | 2026-02-05 15:51:14 |
| R90.htm | 50776 | 2026-02-05 15:51:14 |
| R91.htm | 17107 | 2026-02-05 15:51:14 |
| R92.htm | 11538 | 2026-02-05 15:51:14 |
| R93.htm | 7980 | 2026-02-05 15:51:14 |
| R94.htm | 124149 | 2026-02-05 15:51:14 |
| R95.htm | 64917 | 2026-02-05 15:51:14 |
| R96.htm | 43313 | 2026-02-05 15:51:14 |
| R97.htm | 73498 | 2026-02-05 15:51:14 |
| R98.htm | 34006 | 2026-02-05 15:51:14 |
| R99.htm | 28614 | 2026-02-05 15:51:14 |
| report.css | 2768 | 2026-02-05 15:51:14 |
| Show.js | 1086 | 2026-02-05 15:51:14 |