Loans Receivable Held for Investment, Summary (Details) - USD ($) $ in Thousands		Jun. 30, 2023		Mar. 31, 2023	Dec. 31, 2022		Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		$ 831,241			$ 771,689
Unamortized net deferred loan costs and premiums		1,295			1,755
Gross loans receivable		832,536			773,444
Credit and interest marks on purchased loans, net		(945)			(1,010)
Allowance for credit losses		(6,970)	[1]	$ (6,285)	(4,388)	[1]	$ (2,962)	$ (3,539)	$ (3,391)
Loans receivable, net		824,621			768,046
Real Estate [Member] | Single Family [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		25,952			30,038
Gross loans receivable		25,952			30,038
Allowance for credit losses		(247)		(261)	(109)		(120)	(157)	(145)
Real Estate [Member] | Multi-Family [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		529,169			502,141
Gross loans receivable		530,464			503,896
Allowance for credit losses		(4,255)		(3,932)	(3,273)		(2,278)	(2,771)	(2,657)
Real Estate [Member] | Commercial Real Estate [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		128,029			114,574
Gross loans receivable		128,029			114,574
Allowance for credit losses		(1,012)		(1,012)	(449)		(153)	(217)	(236)
Real Estate [Member] | Church [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		11,946			15,780
Gross loans receivable		11,946			15,780
Allowance for credit losses		(83)		(92)	(65)		(48)	(63)	(103)
Real Estate [Member] | Construction [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		77,335			40,703
Gross loans receivable		77,335			40,703
Allowance for credit losses		(788)		(593)	(313)		(221)	(236)	(212)
Commercial - Other [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		53,056			64,841
Gross loans receivable					68,442
Allowance for credit losses		(546)		(357)	(175)		(138)	(95)	(23)
SBA Loans [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums	[2]	5,724			3,601
Gross loans receivable		5,724			3,601
Allowance for credit losses		(39)		(38)	0
Consumer [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		30			11
Gross loans receivable		30			11
Allowance for credit losses		$ 0		$ 0	$ (4)		$ (4)	$ 0	$ (15)

[1] The allowance for credit losses as of December 31, 2022 was accounted for under ASC 450 and ASC 310, which is reflective of probable incurred losses as of the date of the consolidated statement of financial condition. Effective January 1, 2023, the allowance for credit losses is accounted for under ASC 326, which is reflective of estimated expected lifetime credit losses.

[2] Including Paycheck Protection Program (PPP) loans.