Parent Company Only Condensed Financial Information - Condensed Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Condensed Statements of Income
Interest expense	$ (4,929)	$ (4,348)
Other expense	(950)	(1,035)
Income tax benefit (expense)	(56)	(1,863)
Net income	815	1,869
Broadway Financial Corporation
Condensed Statements of Income
Interest income	25	28
Interest expense	(243)	(194)
Other expense	(469)	(730)
Loss before income tax and undistributed subsidiary income	(687)	(896)
Income tax benefit (expense)	205	(326)
Equity in undistributed subsidiary income	1,297	3,091
Net income	$ 815	$ 1,869