Earnings Per Share of Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share of Common Stock [Abstract]
Net income attributable to Broadway Financial Corporation	$ 243	$ 1,854	$ 1,816	$ 2,812
Less net income attributable to participating securities	4	12	27	18
Income available to common stockholders	$ 239	$ 1,842	$ 1,789	$ 2,794
Weighted average common shares outstanding for basic earnings per common share (in shares)	69,470,113	72,527,974	70,177,588	72,292,735
Add: dilutive effects of unvested restricted stock awards (in shares)	1,025,840	461,047	1,041,188	467,890
Add: dilutive effects of assumed exercise of stock options (in shares)	0	0	0	7,982
Weighted average common shares outstanding for diluted earnings per common share (in shares)	70,495,953	72,989,021	71,218,776	72,768,607
Earnings per common share-basic (in dollars per share)	$ 0	$ 0.03	$ 0.03	$ 0.04
Earnings per common share-diluted (in dollars per share)	$ 0	$ 0.03	$ 0.03	$ 0.04