Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Interest income:
Interest and fees on loans receivable									$ 50,544	$ 38,773
Interest on available-for-sale securities									7,034	8,697
Other interest income									6,368	1,388
Total interest income	$ 16,207	$ 16,609	$ 15,922	$ 15,208	$ 12,901	$ 12,342	$ 12,048	$ 11,567	63,946	48,858
Interest expense:
Interest on deposits									13,183	7,512
Interest on borrowings									18,994	11,884
Total interest expense	8,210	8,279	8,004	7,684	5,754	5,569	4,780	3,293	32,177	19,396
Net interest income	7,997	8,330	7,918	7,524	7,147	6,773	7,268	8,274	31,769	29,462
Provision for credit losses	(509)	408	514	247	83	(7)	780	342	660	1,198
Net interest income after provision for credit losses	8,506	7,922	7,404	7,277	7,064	6,780	6,488	7,932	31,109	28,264
Non-interest income:
Service charges									155	179
Grants									280	4,156
Other									1,119	1,022
Total non-interest income	559	416	273	306	4,477	331	260	289	1,554	5,357
Non-interest expense:
Compensation and benefits									17,562	15,653
Occupancy expense									1,858	1,870
Information services									2,763	2,777
Professional services									3,449	3,126
Supervisory costs									785	613
Corporate insurance									234	245
Amortization of core deposit intangible									336	390
Other									2,907	2,689
Total non-interest expense	7,210	7,594	7,280	7,810	7,755	6,981	6,421	6,206	29,894	27,363
Income before income taxes	1,855	744	397	(227)	3,786	130	327	2,015	2,769	6,258
Income tax expense	524	206	139	(54)	1,178	41	90	598	815	1,907
Net income	1,331	538	258	(173)	2,608	89	237	1,417	1,954	4,351
Less: Net income attributable to non-controlling interest	20	22	2	(19)	4	(5)	3	22	25	24
Net income attributable to Broadway Financial Corporation	1,311	516	256	(154)	2,604	94	234	1,395	1,929	4,327
Less: Preferred stock dividends	750	750	67	0	0	0	0	0	1,567	0
Net income attributable to common stockholders	561	(234)	189	(154)	2,604	94	234	1,395	362	4,327
Other comprehensive income, net of tax:
Unrealized gains on securities available-for-sale arising during the period	(2,739)	5,900	874	(803)	8,152	(2,677)	(3,356)	3,433	3,232	5,552
Income tax expense	(794)	1,703	253	(232)	2,351	(770)	(965)	988	930	1,604
Other comprehensive income, net of tax	(1,945)	4,197	621	(571)	5,801	(1,907)	(2,391)	2,445	2,302	3,948
Comprehensive income	$ (1,384)	$ 3,963	$ 810	$ (725)	$ 8,405	$ (1,813)	$ (2,157)	$ 3,840	$ 2,664	$ 8,275
Earnings per common share-basic (in dollars per share)	$ 0.06	$ (0.03)	$ 0.02	$ (0.02)	$ 0.29	$ 0.01	$ 0.03	$ 0.16	$ 0.04	$ 0.49
Earnings per common share-diluted (in dollars per share)	$ 0.06	$ (0.03)	$ 0.02	$ (0.02)	$ 0.29	$ 0.01	$ 0.03	$ 0.16	$ 0.04	$ 0.49