Earnings (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Earnings (Loss) Per Common Share [Abstract]
Net income (loss) attributable to Broadway Financial Corporation	$ 5,636	$ (4,050)
Less net income (loss) attributable to participating securities	32	2
Income (loss) available to common stockholders	$ 5,604	$ (4,052)
Weighted average common shares outstanding for basic earnings (loss) per common share (in shares)	72,409,020	60,151,556
Add: dilutive effects of unvested restricted stock awards (in shares)	413,892	0
Add: dilutive effects of assumed exercise of stock options (in shares)	0	0
Weighted average common shares outstanding for diluted earnings (loss) per common share (in shares)	72,822,912	60,151,556
Earnings (loss) per common share - basic (in dollars per share)	$ 0.08	$ (0.07)
Earnings (loss) per common share - diluted (in dollars per share)	$ 0.08	$ (0.07)
Stock Options [Member]
Loss Per Common Share [Abstract]
Anti-dilutive stock not considered in computing diluted earnings per common share (in shares)	250,000