Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-24-006270-index-headers.html | 2024-03-01 15:11:26 | |
| 0001437749-24-006270-index.html | 2024-03-01 15:11:26 | |
| 0001437749-24-006270.txt | 2024-03-01 15:11:26 | |
 0001437749-24-006270-xbrl.zip | 553906 | 2024-03-01 15:11:26 |
| bfbi20231231_10k.htm | 5286150 | 2024-03-01 15:11:26 |
| bfbi20231231_10k_htm.xml | 4572422 | 2024-03-01 15:11:26 |
| bfst-20231231.xsd | 121086 | 2024-03-01 15:11:26 |
| bfst-20231231_cal.xml | 117837 | 2024-03-01 15:11:26 |
| bfst-20231231_def.xml | 847714 | 2024-03-01 15:11:26 |
| bfst-20231231_lab.xml | 731351 | 2024-03-01 15:11:26 |
| bfst-20231231_pre.xml | 913392 | 2024-03-01 15:11:26 |
| ex_628015.htm | 5014 | 2024-03-01 15:11:26 |
| ex_628016.htm | 13320 | 2024-03-01 15:11:26 |
| ex_628017.htm | 12912 | 2024-03-01 15:11:26 |
| ex_628018.htm | 7395 | 2024-03-01 15:11:26 |
| ex_628020.htm | 26515 | 2024-03-01 15:11:26 |
| ex_631048.htm | 2747 | 2024-03-01 15:11:26 |
| FilingSummary.xml | 72362 | 2024-03-01 15:11:26 |
| Financial_Report.xlsx | 176854 | 2024-03-01 15:11:26 |
 graph23.jpg | 87341 | 2024-03-01 15:11:26 |
| MetaLinks.json | 1341292 | 2024-03-01 15:11:26 |
| R1.htm | 68598 | 2024-03-01 15:11:26 |
| R10.htm | 6419 | 2024-03-01 15:11:26 |
| R100.htm | 10392 | 2024-03-01 15:11:26 |
| R101.htm | 40037 | 2024-03-01 15:11:26 |
| R102.htm | 23960 | 2024-03-01 15:11:26 |
| R103.htm | 14466 | 2024-03-01 15:11:26 |
| R104.htm | 16993 | 2024-03-01 15:11:26 |
| R105.htm | 48073 | 2024-03-01 15:11:26 |
| R106.htm | 85292 | 2024-03-01 15:11:26 |
| R107.htm | 50791 | 2024-03-01 15:11:26 |
| R11.htm | 34824 | 2024-03-01 15:11:26 |
| R12.htm | 35491 | 2024-03-01 15:11:26 |
| R13.htm | 5969 | 2024-03-01 15:11:26 |
| R14.htm | 174359 | 2024-03-01 15:11:26 |
| R15.htm | 566426 | 2024-03-01 15:11:26 |
| R16.htm | 19933 | 2024-03-01 15:11:26 |
| R17.htm | 25911 | 2024-03-01 15:11:26 |
| R18.htm | 26475 | 2024-03-01 15:11:26 |
| R19.htm | 24561 | 2024-03-01 15:11:26 |
| R2.htm | 111277 | 2024-03-01 15:11:26 |
| R20.htm | 5825 | 2024-03-01 15:11:26 |
| R21.htm | 67386 | 2024-03-01 15:11:26 |
| R22.htm | 22267 | 2024-03-01 15:11:26 |
| R23.htm | 113485 | 2024-03-01 15:11:26 |
| R24.htm | 74823 | 2024-03-01 15:11:26 |
| R25.htm | 7514 | 2024-03-01 15:11:26 |
| R26.htm | 56940 | 2024-03-01 15:11:26 |
| R27.htm | 6570 | 2024-03-01 15:11:26 |
| R28.htm | 7169 | 2024-03-01 15:11:26 |
| R29.htm | 16796 | 2024-03-01 15:11:26 |
| R3.htm | 29573 | 2024-03-01 15:11:26 |
| R30.htm | 55857 | 2024-03-01 15:11:26 |
| R31.htm | 9018 | 2024-03-01 15:11:26 |
| R32.htm | 219332 | 2024-03-01 15:11:26 |
| R33.htm | 7240 | 2024-03-01 15:11:26 |
| R34.htm | 5535 | 2024-03-01 15:11:26 |
| R35.htm | 75499 | 2024-03-01 15:11:26 |
| R36.htm | 12157 | 2024-03-01 15:11:26 |
| R37.htm | 100897 | 2024-03-01 15:11:26 |
| R38.htm | 25983 | 2024-03-01 15:11:26 |
| R39.htm | 33353 | 2024-03-01 15:11:26 |
| R4.htm | 95473 | 2024-03-01 15:11:26 |
| R40.htm | 168224 | 2024-03-01 15:11:26 |
| R41.htm | 550336 | 2024-03-01 15:11:26 |
| R42.htm | 17808 | 2024-03-01 15:11:26 |
| R43.htm | 25625 | 2024-03-01 15:11:26 |
| R44.htm | 22250 | 2024-03-01 15:11:26 |
| R45.htm | 65762 | 2024-03-01 15:11:26 |
| R46.htm | 20805 | 2024-03-01 15:11:26 |
| R47.htm | 101758 | 2024-03-01 15:11:26 |
| R48.htm | 66142 | 2024-03-01 15:11:26 |
| R49.htm | 56862 | 2024-03-01 15:11:26 |
| R5.htm | 32706 | 2024-03-01 15:11:26 |
| R50.htm | 15150 | 2024-03-01 15:11:26 |
| R51.htm | 47491 | 2024-03-01 15:11:26 |
| R52.htm | 212558 | 2024-03-01 15:11:26 |
| R53.htm | 74461 | 2024-03-01 15:11:26 |
| R54.htm | 57501 | 2024-03-01 15:11:26 |
| R55.htm | 56634 | 2024-03-01 15:11:26 |
| R56.htm | 47453 | 2024-03-01 15:11:26 |
| R57.htm | 40649 | 2024-03-01 15:11:26 |
| R58.htm | 2605 | 2024-03-01 15:11:26 |
| R59.htm | 21359 | 2024-03-01 15:11:26 |
| R6.htm | 55608 | 2024-03-01 15:11:26 |
| R60.htm | 24520 | 2024-03-01 15:11:26 |
| R61.htm | 34934 | 2024-03-01 15:11:26 |
| R62.htm | 24827 | 2024-03-01 15:11:26 |
| R63.htm | 33508 | 2024-03-01 15:11:26 |
| R64.htm | 21950 | 2024-03-01 15:11:26 |
| R65.htm | 24468 | 2024-03-01 15:11:26 |
| R66.htm | 117836 | 2024-03-01 15:11:26 |
| R67.htm | 22016 | 2024-03-01 15:11:26 |
| R68.htm | 177618 | 2024-03-01 15:11:26 |
| R69.htm | 52139 | 2024-03-01 15:11:26 |
| R7.htm | 4863 | 2024-03-01 15:11:26 |
| R70.htm | 15026 | 2024-03-01 15:11:26 |
| R71.htm | 3646 | 2024-03-01 15:11:26 |
| R72.htm | 16621 | 2024-03-01 15:11:26 |
| R73.htm | 12126 | 2024-03-01 15:11:26 |
| R74.htm | 12592 | 2024-03-01 15:11:26 |
| R75.htm | 16087 | 2024-03-01 15:11:26 |
| R76.htm | 16279 | 2024-03-01 15:11:26 |
| R77.htm | 19930 | 2024-03-01 15:11:26 |
| R78.htm | 132596 | 2024-03-01 15:11:26 |
| R79.htm | 10011 | 2024-03-01 15:11:26 |
| R8.htm | 166954 | 2024-03-01 15:11:26 |
| R80.htm | 16881 | 2024-03-01 15:11:26 |
| R81.htm | 10437 | 2024-03-01 15:11:26 |
| R82.htm | 15905 | 2024-03-01 15:11:26 |
| R83.htm | 38505 | 2024-03-01 15:11:26 |
| R84.htm | 20014 | 2024-03-01 15:11:26 |
| R85.htm | 24855 | 2024-03-01 15:11:26 |
| R86.htm | 60129 | 2024-03-01 15:11:26 |
| R87.htm | 55001 | 2024-03-01 15:11:26 |
| R88.htm | 22326 | 2024-03-01 15:11:26 |
| R89.htm | 25669 | 2024-03-01 15:11:26 |
| R9.htm | 58908 | 2024-03-01 15:11:26 |
| R90.htm | 9243 | 2024-03-01 15:11:26 |
| R91.htm | 20265 | 2024-03-01 15:11:26 |
| R92.htm | 26216 | 2024-03-01 15:11:26 |
| R93.htm | 10147 | 2024-03-01 15:11:26 |
| R94.htm | 16976 | 2024-03-01 15:11:26 |
| R95.htm | 12467 | 2024-03-01 15:11:26 |
| R96.htm | 20102 | 2024-03-01 15:11:26 |
| R97.htm | 21026 | 2024-03-01 15:11:26 |
| R98.htm | 45454 | 2024-03-01 15:11:26 |
| R99.htm | 5176 | 2024-03-01 15:11:26 |
| report.css | 2768 | 2024-03-01 15:11:26 |
| Show.js | 1086 | 2024-03-01 15:11:26 |