Parent Company Only Condensed Financial Information - Condensed Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Condensed Statements of Income
Interest expense	$ (3,877)	$ (3,864)
Other expense	(942)	(1,284)
Income tax benefit (expense)	2,225	4,574
Net income	3,480	9,072
Broadway Financial Corporation
Condensed Statements of Income
Interest expense	(167)	(146)
Other expense	(1,033)	(484)
Loss before income tax and undistributed subsidiary income	(1,200)	(630)
Income tax benefit (expense)	2,344	(1)
Equity in undistributed subsidiary income	2,336	9,703
Net income	$ 3,480	$ 9,072