Parent Company Only Condensed Financial Information, Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities [Abstract]
Net loss	$ (4,050)	$ (642)
Adjustments to reconcile net loss to net cash used in operating activities [Abstract]
Change in other assets	856	114
Change in accrued expenses and other liabilities	3,330	123
Net cash provided by (used in) operating activities	566	(13,555)
Cash flows from investing activities [Abstract]
Net cash provided by (used in) investing activities	25,023	50,712
Cash flows from financing activities [Abstract]
Proceeds from sale of stock	30,837	0
Net cash provided by financing activities	109,822	43,386
Net change in cash and cash equivalents	135,411	80,543
Cash and cash equivalents at beginning of the year	96,109	15,566
Cash and cash equivalents at end of the year	231,520	96,109
Broadway Financial Corporation [Member]
Cash flows from operating activities [Abstract]
Net loss	(4,050)	(642)
Adjustments to reconcile net loss to net cash used in operating activities [Abstract]
Equity in undistributed subsidiary loss (income)	2,440	(210)
Change in other assets	(869)	(223)
Change in accrued expenses and other liabilities	504	21
Net cash provided by (used in) operating activities	(1,975)	(1,054)
Cash flows from investing activities [Abstract]
Capital distribution to bank subsidiary	(20,000)	0
Dividends from bank subsidiary	700	2,000
Net cash provided by (used in) investing activities	(19,300)	2,000
Cash flows from financing activities [Abstract]
Proceeds from sale of stock	30,837	0
Repayments of borrowings	(3,315)	(1,020)
Proceeds from repayment of ESOP loan	66	66
Net cash provided by financing activities	27,588	(954)
Net change in cash and cash equivalents	6,313	(8)
Cash and cash equivalents at beginning of the year	126	134
Cash and cash equivalents at end of the year	$ 6,439	$ 126