Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-19-028271-index-headers.html | 2019-08-02 13:49:35 | |
| 0001564590-19-028271-index.html | 2019-08-02 13:49:35 | |
| 0001564590-19-028271.txt | 2019-08-02 13:49:35 | |
 0001564590-19-028271-xbrl.zip | 285586 | 2019-08-02 13:49:35 |
| banf-10q_20190630.htm | 6111893 | 2019-08-02 13:49:35 |
| banf-10q_20190630_htm.xml | 7789477 | 2019-08-02 13:49:35 |
| banf-20190630.xsd | 70684 | 2019-08-02 13:49:35 |
| banf-20190630_cal.xml | 88532 | 2019-08-02 13:49:35 |
| banf-20190630_def.xml | 277196 | 2019-08-02 13:49:35 |
| banf-20190630_lab.xml | 601682 | 2019-08-02 13:49:35 |
| banf-20190630_pre.xml | 483232 | 2019-08-02 13:49:35 |
| banf-ex107_9.htm | 52918 | 2019-08-02 13:49:35 |
| banf-ex108_7.htm | 77259 | 2019-08-02 13:49:35 |
| banf-ex109_11.htm | 80517 | 2019-08-02 13:49:35 |
| banf-ex311_6.htm | 14879 | 2019-08-02 13:49:35 |
| banf-ex312_10.htm | 15082 | 2019-08-02 13:49:35 |
| banf-ex32_8.htm | 7881 | 2019-08-02 13:49:35 |
| FilingSummary.xml | 48017 | 2019-08-02 13:49:35 |
| Financial_Report.xlsx | 101532 | 2019-08-02 13:49:35 |
| MetaLinks.json | 779750 | 2019-08-02 13:49:35 |
| R1.htm | 52358 | 2019-08-02 13:49:35 |
| R10.htm | 10897 | 2019-08-02 13:49:35 |
| R11.htm | 284122 | 2019-08-02 13:49:35 |
| R12.htm | 1728541 | 2019-08-02 13:49:35 |
| R13.htm | 105619 | 2019-08-02 13:49:35 |
| R14.htm | 44102 | 2019-08-02 13:49:35 |
| R15.htm | 182456 | 2019-08-02 13:49:35 |
| R16.htm | 272457 | 2019-08-02 13:49:35 |
| R17.htm | 155389 | 2019-08-02 13:49:35 |
| R18.htm | 320902 | 2019-08-02 13:49:35 |
| R19.htm | 243055 | 2019-08-02 13:49:35 |
| R2.htm | 75303 | 2019-08-02 13:49:35 |
| R20.htm | 21781 | 2019-08-02 13:49:35 |
| R21.htm | 288142 | 2019-08-02 13:49:35 |
| R22.htm | 1737714 | 2019-08-02 13:49:35 |
| R23.htm | 106771 | 2019-08-02 13:49:35 |
| R24.htm | 41800 | 2019-08-02 13:49:35 |
| R25.htm | 187314 | 2019-08-02 13:49:35 |
| R26.htm | 271345 | 2019-08-02 13:49:35 |
| R27.htm | 156960 | 2019-08-02 13:49:35 |
| R28.htm | 305384 | 2019-08-02 13:49:35 |
| R29.htm | 241687 | 2019-08-02 13:49:35 |
| R3.htm | 22812 | 2019-08-02 13:49:35 |
| R30.htm | 6251 | 2019-08-02 13:49:35 |
| R31.htm | 64560 | 2019-08-02 13:49:35 |
| R32.htm | 19169 | 2019-08-02 13:49:35 |
| R33.htm | 24708 | 2019-08-02 13:49:35 |
| R34.htm | 58639 | 2019-08-02 13:49:35 |
| R35.htm | 5032 | 2019-08-02 13:49:35 |
| R36.htm | 37806 | 2019-08-02 13:49:35 |
| R37.htm | 14464 | 2019-08-02 13:49:35 |
| R38.htm | 15601 | 2019-08-02 13:49:35 |
| R39.htm | 24797 | 2019-08-02 13:49:35 |
| R4.htm | 112540 | 2019-08-02 13:49:35 |
| R40.htm | 75664 | 2019-08-02 13:49:35 |
| R41.htm | 39045 | 2019-08-02 13:49:35 |
| R42.htm | 72523 | 2019-08-02 13:49:35 |
| R43.htm | 53710 | 2019-08-02 13:49:35 |
| R44.htm | 29642 | 2019-08-02 13:49:35 |
| R45.htm | 34928 | 2019-08-02 13:49:35 |
| R46.htm | 9031 | 2019-08-02 13:49:35 |
| R47.htm | 17643 | 2019-08-02 13:49:35 |
| R48.htm | 13587 | 2019-08-02 13:49:35 |
| R49.htm | 21006 | 2019-08-02 13:49:35 |
| R5.htm | 11322 | 2019-08-02 13:49:35 |
| R50.htm | 15909 | 2019-08-02 13:49:35 |
| R51.htm | 16202 | 2019-08-02 13:49:35 |
| R52.htm | 46469 | 2019-08-02 13:49:35 |
| R53.htm | 34493 | 2019-08-02 13:49:35 |
| R54.htm | 9761 | 2019-08-02 13:49:35 |
| R55.htm | 8592 | 2019-08-02 13:49:35 |
| R56.htm | 4457 | 2019-08-02 13:49:35 |
| R57.htm | 18105 | 2019-08-02 13:49:35 |
| R58.htm | 6099 | 2019-08-02 13:49:35 |
| R59.htm | 4568 | 2019-08-02 13:49:35 |
| R6.htm | 34519 | 2019-08-02 13:49:35 |
| R60.htm | 75995 | 2019-08-02 13:49:35 |
| R61.htm | 5431 | 2019-08-02 13:49:35 |
| R62.htm | 23952 | 2019-08-02 13:49:35 |
| R63.htm | 5544 | 2019-08-02 13:49:35 |
| R64.htm | 31356 | 2019-08-02 13:49:35 |
| R65.htm | 10115 | 2019-08-02 13:49:35 |
| R66.htm | 10166 | 2019-08-02 13:49:35 |
| R67.htm | 14622 | 2019-08-02 13:49:35 |
| R68.htm | 46240 | 2019-08-02 13:49:35 |
| R69.htm | 4606 | 2019-08-02 13:49:35 |
| R7.htm | 4634 | 2019-08-02 13:49:35 |
| R70.htm | 33190 | 2019-08-02 13:49:35 |
| R8.htm | 110733 | 2019-08-02 13:49:35 |
| R9.htm | 16887 | 2019-08-02 13:49:35 |
| report.css | 2767 | 2019-08-02 13:49:35 |
| Show.js | 1085 | 2019-08-02 13:49:35 |