Parent Company Only Condensed Financial Information, Condensed Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Condensed Statements of Income [Abstract]
Interest income	$ 36,269	$ 24,752
Interest expense	(3,409)	(3,749)
Other expense	(2,077)	(2,106)
Income (loss) before income taxes	8,119	(4,886)
Income tax benefits	(2,413)	937
Net income (loss) attributable to Broadway Financial Corporation	5,636	(4,050)
Broadway Financial Corporation [Member]
Condensed Statements of Income [Abstract]
Interest income	88	27
Interest expense	0	(60)
Other expense	(877)	(1,982)
Income (loss) before income taxes	(789)	(2,015)
Income tax benefits	85	405
Equity in undistributed subsidiary income (loss)	6,340	(2,440)
Net income (loss) attributable to Broadway Financial Corporation	$ 5,636	$ (4,050)