{"cik":1624322,"company":{"entity_status":null,"filings":[{"accession":"0001437749-26-030179","document":"bfbi20260911_8k.htm","filed":"2026-09-11","form":"8-K","items":"5.02","report_date":"2026-09-09"},{"accession":"0001437749-26-028917","document":"xslF345X06/rdgdoc.xml","filed":"2026-08-25","form":"4","items":"","report_date":"2026-08-21"},{"accession":"0001437749-26-028730","document":"xslF345X06/rdgdoc.xml","filed":"2026-08-21","form":"4","items":"","report_date":"2026-08-19"},{"accession":"0001437749-26-028545","document":"xslF345X06/rdgdoc.xml","filed":"2026-08-19","form":"4","items":"","report_date":"2026-08-18"},{"accession":"0001437749-26-026616","document":"xslF345X06/rdgdoc.xml","filed":"2026-08-07","form":"4","items":"","report_date":"2026-08-06"},{"accession":"0001437749-26-026579","document":"xslF345X06/rdgdoc.xml","filed":"2026-08-07","form":"4","items":"","report_date":"2026-08-05"},{"accession":"0001437749-26-026259","document":"xslF345X06/rdgdoc.xml","filed":"2026-08-06","form":"4","items":"","report_date":"2026-08-05"},{"accession":"0001437749-26-025923","document":"xslF345X06/rdgdoc.xml","filed":"2026-08-05","form":"4","items":"","report_date":"2026-08-03"},{"accession":"0001624322-26-000037","document":"bfst-20260630.htm","filed":"2026-07-31","form":"10-Q","items":"","report_date":"2026-06-30"},{"accession":"0001437749-26-025258","document":"xslF345X06/rdgdoc.xml","filed":"2026-07-31","form":"4","items":"","report_date":"2026-07-30"},{"accession":"0001624322-26-000032","document":"bfst-20260723.htm","filed":"2026-07-23","form":"8-K","items":"2.02,7.01,9.01","report_date":"2026-07-23"},{"accession":"0001437749-26-018540","document":"bfbi20260527_8k.htm","filed":"2026-05-27","form":"8-K","items":"5.07","report_date":"2026-05-21"},{"accession":"0001624322-26-000028","document":"bfst-20260331.htm","filed":"2026-05-01","form":"10-Q","items":"","report_date":"2026-03-31"},{"accession":"0001624322-26-000024","document":"bfst-20260427.htm","filed":"2026-04-27","form":"8-K","items":"2.02,7.01,9.01","report_date":"2026-04-27"},{"accession":"0001437749-26-011695","document":"bfbi20260325_def14a.htm","filed":"2026-04-08","form":"DEF 14A","items":"","report_date":"2026-05-21"},{"accession":"0001437749-26-011154","document":"bfbi20260402_8k.htm","filed":"2026-04-02","form":"8-K","items":"1.01,2.03,7.01,9.01","report_date":"2026-04-02"},{"accession":"0001624322-26-000018","document":"bfst-20251231.htm","filed":"2026-02-26","form":"10-K","items":"","report_date":"2025-12-31"},{"accession":"0001437749-26-005359","document":"bfbi20260224_8k.htm","filed":"2026-02-24","form":"8-K","items":"5.02","report_date":"2026-02-19"},{"accession":"0001624322-26-000013","document":"bfst-20260122.htm","filed":"2026-01-23","form":"8-K/A","items":"2.02,9.01","report_date":"2026-01-22"},{"accession":"0001628280-26-003073","document":"bfst-20260122.htm","filed":"2026-01-22","form":"8-K","items":"2.02,7.01,9.01","report_date":"2026-01-22"},{"accession":"0001437749-26-000182","document":"bfbi20251231_8k.htm","filed":"2026-01-05","form":"8-K","items":"2.01,5.02,8.01,9.01","report_date":"2026-01-01"},{"accession":"0001437749-25-033016","document":"bfbi20251104_8k.htm","filed":"2025-11-04","form":"8-K","items":"5.02,9.01","report_date":"2025-10-29"},{"accession":"0001624322-25-000048","document":"bfst-20250930.htm","filed":"2025-10-30","form":"10-Q","items":"","report_date":"2025-09-30"},{"accession":"0001437749-25-031989","document":"bfbi20251028_8k.htm","filed":"2025-10-28","form":"8-K","items":"8.01,9.01","report_date":"2025-10-28"},{"accession":"0001624322-25-000043","document":"bfst-20251023.htm","filed":"2025-10-23","form":"8-K","items":"2.02,7.01,9.01","report_date":"2025-10-23"},{"accession":"0001624322-25-000037","document":"bfst-20250630.htm","filed":"2025-08-05","form":"10-Q","items":"","report_date":"2025-06-30"},{"accession":"0001624322-25-000031","document":"bfst-20250728.htm","filed":"2025-07-28","form":"8-K","items":"2.02,7.01,9.01","report_date":"2025-07-28"},{"accession":"0001437749-25-022269","document":"bfbi20250703_8k.htm","filed":"2025-07-07","form":"8-K","items":"1.01,7.01,9.01","report_date":"2025-07-07"},{"accession":"0001437749-25-018487","document":"bfbi20250527_8k.htm","filed":"2025-05-27","form":"8-K","items":"5.07","report_date":"2025-05-22"},{"accession":"0001624322-25-000025","document":"bfst-20250331.htm","filed":"2025-05-02","form":"10-Q","items":"","report_date":"2025-03-31"},{"accession":"0001624322-25-000019","document":"bfst-20250424.htm","filed":"2025-04-24","form":"8-K","items":"2.02,7.01,9.01","report_date":"2025-04-24"},{"accession":"0001437749-25-011536","document":"bfbi20250328_def14a.htm","filed":"2025-04-09","form":"DEF 14A","items":"","report_date":"2025-05-22"},{"accession":"0001437749-25-010664","document":"bfbi20250402_8k.htm","filed":"2025-04-02","form":"8-K","items":"5.02,9.01","report_date":"2025-03-27"},{"accession":"0001624322-25-000011","document":"bfst-20241231.htm","filed":"2025-03-07","form":"10-K","items":"","report_date":"2024-12-31"},{"accession":"0001624322-25-000005","document":"bfst-20250123.htm","filed":"2025-01-23","form":"8-K","items":"2.02,7.01,9.01","report_date":"2025-01-23"},{"accession":"0001437749-24-037348","document":"bfbi20241212_8k.htm","filed":"2024-12-12","form":"8-K","items":"5.02,9.01","report_date":"2024-12-06"},{"accession":"0001624322-24-000021","document":"bfst-20240930.htm","filed":"2024-10-31","form":"10-Q","items":"","report_date":"2024-09-30"},{"accession":"0001624322-24-000017","document":"bfst-20241024.htm","filed":"2024-10-24","form":"8-K","items":"2.02,7.01,9.01","report_date":"2024-10-24"},{"accession":"0001437749-24-031769","document":"bfbi20241022_8k.htm","filed":"2024-10-22","form":"8-K","items":"5.02,7.01,9.01","report_date":"2024-10-16"},{"accession":"0001437749-24-030643","document":"bfbi20241003_8k.htm","filed":"2024-10-03","form":"8-K","items":"2.01,5.02,8.01,9.01","report_date":"2024-10-01"}],"former_names":[],"gleif_parents":[],"headquarters":[],"insiders":[{"accession":"0001437749-26-028917","acquired_disposed":"D","code":"S","date":"2026-08-24","derivative":false,"filed":"2026-08-25","following_shares":"183745.0","form":"4","owners":["Cummings George W. III"],"plan_10b5_1":false,"price":"31.33","security":"COMMON STOCK","shares":"10000.0"},{"accession":"0001437749-26-028917","acquired_disposed":"D","code":"S","date":"2026-08-21","derivative":false,"filed":"2026-08-25","following_shares":"193745.0","form":"4","owners":["Cummings George W. III"],"plan_10b5_1":false,"price":"31.27","security":"COMMON STOCK","shares":"4200.0"},{"accession":"0001437749-26-028730","acquired_disposed":"D","code":"S","date":"2026-08-19","derivative":false,"filed":"2026-08-21","following_shares":"197945.0","form":"4","owners":["Cummings George W. III"],"plan_10b5_1":false,"price":"31.8","security":"COMMON STOCK","shares":"3235.0"},{"accession":"0001437749-26-028545","acquired_disposed":"D","code":"S","date":"2026-08-18","derivative":false,"filed":"2026-08-19","following_shares":"201180.0","form":"4","owners":["Cummings George W. III"],"plan_10b5_1":false,"price":"31.78","security":"COMMON STOCK","shares":"10000.0"},{"accession":"0001437749-26-026616","acquired_disposed":"D","code":"S","date":"2026-08-06","derivative":false,"filed":"2026-08-07","following_shares":"12642.0","form":"4","owners":["Carter Donald Chad"],"plan_10b5_1":false,"price":"31.64","security":"COMMON STOCK","shares":"1875.0"},{"accession":"0001437749-26-026579","acquired_disposed":"D","code":"S","date":"2026-08-05","derivative":false,"filed":"2026-08-07","following_shares":"0.0","form":"4","owners":["Hall William G."],"plan_10b5_1":false,"price":"31.97","security":"Common Stock","shares":"9723.0"},{"accession":"0001437749-26-026579","acquired_disposed":"D","code":"S","date":"2026-08-05","derivative":false,"filed":"2026-08-07","following_shares":"3550.0","form":"4","owners":["Hall William G."],"plan_10b5_1":false,"price":"31.97","security":"Common Stock","shares":"1666.0"},{"accession":"0001437749-26-026259","acquired_disposed":"D","code":"S","date":"2026-08-05","derivative":false,"filed":"2026-08-06","following_shares":"4878.0","form":"4","owners":["Strong Saundra"],"plan_10b5_1":false,"price":"31.98","security":"COMMON STOCK","shares":"1000.0"},{"accession":"0001437749-26-025923","acquired_disposed":"D","code":"S","date":"2026-08-03","derivative":false,"filed":"2026-08-05","following_shares":"211180.0","form":"4","owners":["Cummings George W. III"],"plan_10b5_1":false,"price":"31.87","security":"COMMON STOCK","shares":"10000.0"},{"accession":"0001437749-26-025257","acquired_disposed":"D","code":"S","date":"2026-07-31","derivative":false,"filed":"2026-07-31","following_shares":"221180.0","form":"4","owners":["Cummings George W. III"],"plan_10b5_1":false,"price":"31.5","security":"COMMON STOCK","shares":"10000.0"},{"accession":"0001437749-26-025258","acquired_disposed":"D","code":"S","date":"2026-07-30","derivative":false,"filed":"2026-07-31","following_shares":"77139.0","form":"4","owners":["MANSFIELD KEITH"],"plan_10b5_1":false,"price":"32.08","security":"COMMON STOCK","shares":"4200.0"},{"accession":"0001437749-26-025257","acquired_disposed":"D","code":"S","date":"2026-07-30","derivative":false,"filed":"2026-07-31","following_shares":"231180.0","form":"4","owners":["Cummings George W. III"],"plan_10b5_1":false,"price":"32.08","security":"COMMON STOCK","shares":"10000.0"},{"accession":"0001437749-26-025055","acquired_disposed":"D","code":"S","date":"2026-07-29","derivative":false,"filed":"2026-07-30","following_shares":"241180.0","form":"4","owners":["Cummings George W. III"],"plan_10b5_1":false,"price":"31.88","security":"COMMON STOCK","shares":"10000.0"},{"accession":"0001437749-26-025054","acquired_disposed":"D","code":"S","date":"2026-07-29","derivative":false,"filed":"2026-07-30","following_shares":"172073.0","form":"4","owners":["Johnson Joseph Vernon"],"plan_10b5_1":false,"price":"31.15","security":"COMMON STOCK","shares":"2000.0"},{"accession":"0001437749-26-025055","acquired_disposed":"D","code":"S","date":"2026-07-28","derivative":false,"filed":"2026-07-30","following_shares":"251180.0","form":"4","owners":["Cummings George W. III"],"plan_10b5_1":false,"price":"31.86","security":"COMMON STOCK","shares":"10000.0"},{"accession":"0001437749-26-025054","acquired_disposed":"D","code":"S","date":"2026-07-28","derivative":false,"filed":"2026-07-30","following_shares":"174073.0","form":"4","owners":["Johnson Joseph Vernon"],"plan_10b5_1":false,"price":"31.75","security":"COMMON STOCK","shares":"10000.0"},{"accession":"0001437749-26-024885","acquired_disposed":"A","code":"P","date":"2026-07-28","derivative":false,"filed":"2026-07-29","following_shares":"269901.0","form":"4","owners":["Day Rick D."],"plan_10b5_1":false,"price":"31.61","security":"COMMON STOCK","shares":"1500.0"}],"legal_name":null,"lei":null,"lei_status":null,"lei_updated_at":null,"names":[],"parent_exceptions":[],"parents":[],"wikidata_id":null},"research_built_at":"2026-10-21T06:11:10.683776+00:00","reviewed_events":[],"reviewed_events_coverage":"selective; not a complete event history; accounting series not reconciled","sources":[{"coverage":"8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer","id":"sec","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC submissions","retrieved_at":"2026-10-20T06:11:47.043759+00:00","status":"ok","url":"https://www.sec.gov/search-filings/edgar-application-programming-interfaces"},{"coverage":"1663 unambiguous CIK-linked entities; coverage is incomplete","id":"wikidata","license":"CC0-1.0","license_url":"https://www.wikidata.org/wiki/Wikidata:Licensing","name":"Wikidata structured data","retrieved_at":"2026-10-15T06:12:13.268459+00:00","status":"ok","url":"https://www.wikidata.org/"},{"coverage":"1199 checked identities; 0 unavailable records","id":"gleif","license":"CC0-1.0","license_url":"https://www.gleif.org/en/meta/lei-data-terms-of-use","name":"GLEIF legal entity reference data","retrieved_at":"2026-10-15T06:13:53.192764+00:00","status":"ok","url":"https://www.gleif.org/en/lei-data/gleif-api"},{"coverage":"4 selected series; gaps remain missing","id":"fed","license":"Public domain (selected government series)","license_url":"https://www.federalreserve.gov/disclaimer.htm","name":"Federal Reserve Board H.15","retrieved_at":"2026-10-20T06:12:10.744440+00:00","status":"ok","url":"https://www.federalreserve.gov/releases/h15/"},{"coverage":"9 selected series; gaps remain missing","id":"bls","license":"Public domain","license_url":"https://www.bls.gov/opub/copyright-information.htm","name":"Bureau of Labor Statistics","retrieved_at":"2026-10-20T06:12:12.024240+00:00","status":"ok","url":"https://www.bls.gov/developers/"},{"coverage":"2026 Q3: filings in this completed quarter; not a live transaction feed","id":"insiders","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC insider transactions","retrieved_at":"2026-10-15T06:12:09.068487+00:00","status":"ok","url":"https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets"}]}