Earnings Per Share of Common Stock (Details) $ / shares in Units, $ in Thousands		3 Months Ended				6 Months Ended
	Nov. 01, 2023	Jun. 30, 2024 USD ($) $ / shares shares		Jun. 30, 2023 USD ($) $ / shares shares		Jun. 30, 2024 USD ($) $ / shares shares	Jun. 30, 2023 USD ($) $ / shares shares
Earnings Per Share of Common Stock [Abstract]
Net income attributable to Broadway Financial Corporation | $		$ 269		$ 243		$ 105	$ 1,816
Less: Net income attributable to participating securities | $		6		4		3	27
Income available to common stockholders | $		$ 263		$ 239		$ 102	$ 1,789
Weighted average common shares outstanding for basic earnings per common share (in shares)		8,394,367		8,683,764		8,308,359	8,772,198
Add: Dilutive effects of unvested restricted stock awards (in shares)		202,618	[1]	128,230	[1]	204,903	130,149
Weighted average common shares outstanding for diluted earnings per common share (in shares)		8,596,985	[1]	8,811,994	[1]	8,513,262	8,902,347
Earnings per common share - basic (in dollars per share) | $ / shares		$ 0.03	[1]	$ 0.03	[1]	$ 0.01	$ 0.2
Earnings per common share - diluted (in dollars per share) | $ / shares		$ 0.03	[1]	$ 0.03	[1]	$ 0.01	$ 0.2
Reverse stock split ratio	0.125
Stock Options [Member]
Loss Per Common Share [Abstract]
Anti-dilutive stock not considered in computing diluted earnings per common share (in shares)						12,500	31,250

[1] Retroactively adjusted, as applicable, for the 1-for-8 reverse stock split effective November 1, 2023 - see Note 1