Earnings Per Share of Common Stock (Details) $ / shares in Units, $ in Thousands			3 Months Ended
		Nov. 01, 2023	Mar. 31, 2024 USD ($) $ / shares shares	Mar. 31, 2023 USD ($) $ / shares shares
Earnings Per Share of Common Stock [Abstract]
Net (loss) income attributable to Broadway Financial Corporation | $			$ (164)	$ 1,573
Less net income attributable to participating securities | $			4	7
(Loss) income available to common stockholders | $			$ (168)	$ 1,566
Weighted average common shares outstanding for basic earnings per common share (in shares) | shares			8,229,774	8,930,270
Add: dilutive effects of unvested restricted stock awards (in shares) | shares	[1]		182,998	40,378
Weighted average common shares outstanding for diluted earnings per common share (in shares) | shares	[1]		8,412,772	8,970,648
(Loss) earnings per common share - basic (in dollars per share) | $ / shares	[1]		$ (0.02)	$ 0.18
(Loss) earnings per common share - diluted (in dollars per share) | $ / shares	[1]		$ (0.02)	$ 0.17
Reverse stock split ratio		0.125

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