Loans Receivable Held for Investment, Summary (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2022
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		$ 945,219		$ 945,219		$ 886,606
Unamortized net deferred loan costs and premiums		2,216		2,216		1,971
Gross loans receivable		947,435		947,435		888,577
Credit and interest marks on purchased loans, net		(595)		(595)		(772)
Allowance for credit losses		(8,104)	$ (6,970)	(8,104)	$ (6,970)	(7,348)	$ (7,552)	$ (6,285)	$ (4,388)
Loans receivable, net		938,736		938,736		880,457
Accrued interest on loans receivable		3,900		3,900		3,300
Provision for credit losses		494	768	754	810
Recovery of provision for off-balance sheet loan commitments		58	83	2	37
Real Estate [Member] | Single-Family [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		27,265		27,265		24,702
Gross loans receivable		27,265		27,265		24,702
Allowance for credit losses		(301)	(247)	(301)	(247)	(260)	(298)	(261)	(109)
Real Estate [Member] | Multi-Family [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		614,014		614,014		561,447
Gross loans receivable		616,230		616,230		563,418
Allowance for credit losses		(4,690)	(4,255)	(4,690)	(4,255)	(4,413)	(4,325)	(3,932)	(3,273)
Real Estate [Member] | Commercial Real Estate [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		125,789		125,789		119,436
Gross loans receivable		125,789		125,789		119,436
Allowance for credit losses		(1,171)	(1,012)	(1,171)	(1,012)	(1,094)	(1,109)	(1,012)	(449)
Real Estate [Member] | Church [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		11,775		11,775		12,717
Gross loans receivable		11,775		11,775		12,717
Allowance for credit losses		(84)	(83)	(84)	(83)	(72)	(90)	(92)	(65)
Real Estate [Member] | Construction [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		93,951		93,951		89,887
Gross loans receivable		93,951		93,951		89,887
Allowance for credit losses		(1,110)	(788)	(1,110)	(788)	(932)	(956)	(593)	(313)
Commercial - Other [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		59,538		59,538		63,450
Allowance for credit losses		$ (618)	(546)	$ (618)	(546)	$ (529)	(722)	(357)	(175)
Commercial - Other [Member] | PPP Loans [Member]
Loans Receivable Held for Investment [Abstract]
Loans receivable, interest rate		1.00%		1.00%
Commercial - Other [Member] | PPP Loans [Member] | Minimum [Member]
Loans Receivable Held for Investment [Abstract]
Loans receivable, term				2 years		2 years
Commercial - Other [Member] | PPP Loans [Member] | Maximum [Member]
Loans Receivable Held for Investment [Abstract]
Loans receivable, term				5 years		5 years
SBA Loans [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums	[1]	$ 12,886		$ 12,886		$ 14,954
Gross loans receivable		12,886		12,886		14,954
Allowance for credit losses		(130)	(39)	(130)	(39)	(48)	(52)	(38)	0
SBA Loans [Member] | PPP Loans [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		15		15		2,500
Consumer [Member]
Loans Receivable Held for Investment [Abstract]
Gross loans receivable before deferred loan costs and premiums		1		1		13
Gross loans receivable		1		1		13
Allowance for credit losses		$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ (4)

[1] Including Paycheck Protection Program (“PPP”) loans.