Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-26-075954-index-headers.html | 2026-02-26 14:55:09 | |
| 0001193125-26-075954-index.html | 2026-02-26 14:55:09 | |
| 0001193125-26-075954.txt | 2026-02-26 14:55:09 | |
 0001193125-26-075954-xbrl.zip | 726576 | 2026-02-26 14:55:09 |
| banf-20251231.htm | 10944849 | 2026-02-26 14:55:09 |
| banf-20251231.xsd | 2913034 | 2026-02-26 14:55:09 |
| banf-20251231_htm.xml | 14779676 | 2026-02-26 14:55:09 |
| banf-ex14.htm | 33893 | 2026-02-26 14:55:09 |
| banf-ex21_1.htm | 21441 | 2026-02-26 14:55:09 |
| banf-ex23_1.htm | 6371 | 2026-02-26 14:55:09 |
| banf-ex31_1.htm | 19729 | 2026-02-26 14:55:09 |
| banf-ex31_2.htm | 19953 | 2026-02-26 14:55:09 |
| banf-ex32.htm | 9221 | 2026-02-26 14:55:09 |
| banf-ex97.htm | 6639 | 2026-02-26 14:55:09 |
| FilingSummary.xml | 89677 | 2026-02-26 14:55:09 |
 img99771017_0.jpg | 73299 | 2026-02-26 14:55:09 |
| MetaLinks.json | 2046519 | 2026-02-26 14:55:09 |
| R1.htm | 74678 | 2026-02-26 14:55:09 |
| R10.htm | 11496 | 2026-02-26 14:55:09 |
| R100.htm | 8512 | 2026-02-26 14:55:09 |
| R101.htm | 16509 | 2026-02-26 14:55:09 |
| R102.htm | 7418 | 2026-02-26 14:55:09 |
| R103.htm | 10601 | 2026-02-26 14:55:09 |
| R104.htm | 37902 | 2026-02-26 14:55:09 |
| R105.htm | 21754 | 2026-02-26 14:55:09 |
| R106.htm | 8667 | 2026-02-26 14:55:09 |
| R107.htm | 115435 | 2026-02-26 14:55:09 |
| R108.htm | 33681 | 2026-02-26 14:55:09 |
| R109.htm | 5345 | 2026-02-26 14:55:09 |
| R11.htm | 54683 | 2026-02-26 14:55:09 |
| R110.htm | 55426 | 2026-02-26 14:55:09 |
| R111.htm | 67668 | 2026-02-26 14:55:09 |
| R112.htm | 70056 | 2026-02-26 14:55:09 |
| R113.htm | 6224 | 2026-02-26 14:55:09 |
| R114.htm | 4216 | 2026-02-26 14:55:09 |
| R115.htm | 34871 | 2026-02-26 14:55:09 |
| R116.htm | 26314 | 2026-02-26 14:55:09 |
| R117.htm | 27875 | 2026-02-26 14:55:09 |
| R118.htm | 16341 | 2026-02-26 14:55:09 |
| R119.htm | 65991 | 2026-02-26 14:55:09 |
| R12.htm | 89170 | 2026-02-26 14:55:09 |
| R120.htm | 11711 | 2026-02-26 14:55:09 |
| R121.htm | 9528 | 2026-02-26 14:55:09 |
| R122.htm | 16538 | 2026-02-26 14:55:09 |
| R123.htm | 75727 | 2026-02-26 14:55:09 |
| R124.htm | 49149 | 2026-02-26 14:55:09 |
| R125.htm | 14520 | 2026-02-26 14:55:09 |
| R126.htm | 12441 | 2026-02-26 14:55:09 |
| R127.htm | 7435 | 2026-02-26 14:55:09 |
| R128.htm | 13522 | 2026-02-26 14:55:09 |
| R129.htm | 90996 | 2026-02-26 14:55:09 |
| R13.htm | 15263 | 2026-02-26 14:55:09 |
| R130.htm | 17400 | 2026-02-26 14:55:09 |
| R14.htm | 15362 | 2026-02-26 14:55:09 |
| R15.htm | 451786 | 2026-02-26 14:55:09 |
| R16.htm | 2948922 | 2026-02-26 14:55:09 |
| R17.htm | 66183 | 2026-02-26 14:55:09 |
| R18.htm | 153111 | 2026-02-26 14:55:09 |
| R19.htm | 58369 | 2026-02-26 14:55:09 |
| R2.htm | 128301 | 2026-02-26 14:55:09 |
| R20.htm | 25996 | 2026-02-26 14:55:09 |
| R21.htm | 10610 | 2026-02-26 14:55:09 |
| R22.htm | 16696 | 2026-02-26 14:55:09 |
| R23.htm | 232565 | 2026-02-26 14:55:09 |
| R24.htm | 223080 | 2026-02-26 14:55:09 |
| R25.htm | 32910 | 2026-02-26 14:55:09 |
| R26.htm | 694772 | 2026-02-26 14:55:09 |
| R27.htm | 64303 | 2026-02-26 14:55:09 |
| R28.htm | 245904 | 2026-02-26 14:55:09 |
| R29.htm | 9279 | 2026-02-26 14:55:09 |
| R3.htm | 26839 | 2026-02-26 14:55:09 |
| R30.htm | 22112 | 2026-02-26 14:55:09 |
| R31.htm | 91808 | 2026-02-26 14:55:09 |
| R32.htm | 313707 | 2026-02-26 14:55:09 |
| R33.htm | 124710 | 2026-02-26 14:55:09 |
| R34.htm | 462695 | 2026-02-26 14:55:09 |
| R35.htm | 140037 | 2026-02-26 14:55:09 |
| R36.htm | 14124 | 2026-02-26 14:55:09 |
| R37.htm | 458710 | 2026-02-26 14:55:09 |
| R38.htm | 2925204 | 2026-02-26 14:55:09 |
| R39.htm | 38456 | 2026-02-26 14:55:09 |
| R4.htm | 156242 | 2026-02-26 14:55:09 |
| R40.htm | 156213 | 2026-02-26 14:55:09 |
| R41.htm | 58661 | 2026-02-26 14:55:09 |
| R42.htm | 25374 | 2026-02-26 14:55:09 |
| R43.htm | 228261 | 2026-02-26 14:55:09 |
| R44.htm | 214441 | 2026-02-26 14:55:09 |
| R45.htm | 27391 | 2026-02-26 14:55:09 |
| R46.htm | 688471 | 2026-02-26 14:55:09 |
| R47.htm | 65625 | 2026-02-26 14:55:09 |
| R48.htm | 249195 | 2026-02-26 14:55:09 |
| R49.htm | 17400 | 2026-02-26 14:55:09 |
| R5.htm | 7989 | 2026-02-26 14:55:09 |
| R50.htm | 79326 | 2026-02-26 14:55:09 |
| R51.htm | 285172 | 2026-02-26 14:55:09 |
| R52.htm | 118841 | 2026-02-26 14:55:09 |
| R53.htm | 451517 | 2026-02-26 14:55:09 |
| R54.htm | 72659 | 2026-02-26 14:55:09 |
| R55.htm | 59568 | 2026-02-26 14:55:09 |
| R56.htm | 4454 | 2026-02-26 14:55:09 |
| R57.htm | 23241 | 2026-02-26 14:55:09 |
| R58.htm | 36658 | 2026-02-26 14:55:09 |
| R59.htm | 54297 | 2026-02-26 14:55:09 |
| R6.htm | 62742 | 2026-02-26 14:55:09 |
| R60.htm | 8525 | 2026-02-26 14:55:09 |
| R61.htm | 11114 | 2026-02-26 14:55:09 |
| R62.htm | 42683 | 2026-02-26 14:55:09 |
| R63.htm | 38242 | 2026-02-26 14:55:09 |
| R64.htm | 4676 | 2026-02-26 14:55:09 |
| R65.htm | 38200 | 2026-02-26 14:55:09 |
| R66.htm | 32734 | 2026-02-26 14:55:09 |
| R67.htm | 5028 | 2026-02-26 14:55:09 |
| R68.htm | 33083 | 2026-02-26 14:55:09 |
| R69.htm | 120336 | 2026-02-26 14:55:09 |
| R7.htm | 3034 | 2026-02-26 14:55:09 |
| R70.htm | 246272 | 2026-02-26 14:55:09 |
| R71.htm | 69775 | 2026-02-26 14:55:09 |
| R72.htm | 72711 | 2026-02-26 14:55:09 |
| R73.htm | 11720 | 2026-02-26 14:55:09 |
| R74.htm | 94267 | 2026-02-26 14:55:09 |
| R75.htm | 9126 | 2026-02-26 14:55:09 |
| R76.htm | 9827 | 2026-02-26 14:55:09 |
| R77.htm | 27031 | 2026-02-26 14:55:09 |
| R78.htm | 55224 | 2026-02-26 14:55:09 |
| R79.htm | 25321 | 2026-02-26 14:55:09 |
| R8.htm | 117900 | 2026-02-26 14:55:09 |
| R80.htm | 26284 | 2026-02-26 14:55:09 |
| R81.htm | 15667 | 2026-02-26 14:55:09 |
| R82.htm | 30732 | 2026-02-26 14:55:09 |
| R83.htm | 12965 | 2026-02-26 14:55:09 |
| R84.htm | 16667 | 2026-02-26 14:55:09 |
| R85.htm | 4443 | 2026-02-26 14:55:09 |
| R86.htm | 6064 | 2026-02-26 14:55:09 |
| R87.htm | 14316 | 2026-02-26 14:55:09 |
| R88.htm | 32799 | 2026-02-26 14:55:09 |
| R89.htm | 48301 | 2026-02-26 14:55:09 |
| R9.htm | 17875 | 2026-02-26 14:55:09 |
| R90.htm | 14681 | 2026-02-26 14:55:09 |
| R91.htm | 21928 | 2026-02-26 14:55:09 |
| R92.htm | 15254 | 2026-02-26 14:55:09 |
| R93.htm | 63815 | 2026-02-26 14:55:09 |
| R94.htm | 31745 | 2026-02-26 14:55:09 |
| R95.htm | 56058 | 2026-02-26 14:55:09 |
| R96.htm | 22297 | 2026-02-26 14:55:09 |
| R97.htm | 6014 | 2026-02-26 14:55:09 |
| R98.htm | 31191 | 2026-02-26 14:55:09 |
| R99.htm | 9368 | 2026-02-26 14:55:09 |
| report.css | 2768 | 2026-02-26 14:55:09 |
| Show.js | 1086 | 2026-02-26 14:55:09 |