Loans Receivable Held for Investment, Allowance for Loan Losses and Recorded Investment in Loans by Type of Loans and Based on Impairment Method (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Ending Allowance Balance Attributable to Loans [Abstract]
Individually evaluated for impairment	$ 7	$ 7
Collectively evaluated for impairment	4,381	3,384
Total ending allowance balance	4,388	3,391	$ 3,215
Loans [Abstract]
Loans individually evaluated for impairment	1,712	2,301
Loans collectively evaluated for impairment	624,468	447,692
Subtotal	626,180	449,993
Loans acquired in the merger	147,264	203,753
Gross loans receivable	773,444	653,746
Real Estate [Member] \| Single Family [Member]
Ending Allowance Balance Attributable to Loans [Abstract]
Individually evaluated for impairment	3	3
Collectively evaluated for impairment	106	142
Total ending allowance balance	109	145	296
Loans [Abstract]
Loans individually evaluated for impairment	57	65
Loans collectively evaluated for impairment	20,893	32,599
Subtotal	20,950	32,664
Loans acquired in the merger	9,088	12,708
Gross loans receivable	30,038	45,372
Real Estate [Member] \| Multi-Family [Member]
Ending Allowance Balance Attributable to Loans [Abstract]
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	3,273	2,657
Total ending allowance balance	3,273	2,657	2,433
Loans [Abstract]
Loans individually evaluated for impairment	0	282
Loans collectively evaluated for impairment	462,539	353,179
Subtotal	462,539	353,461
Loans acquired in the merger	41,357	41,769
Gross loans receivable	503,896	395,230
Real Estate [Member] \| Commercial Real Estate [Member]
Ending Allowance Balance Attributable to Loans [Abstract]
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	449	236
Total ending allowance balance	449	236	222
Loans [Abstract]
Loans individually evaluated for impairment	0	0
Loans collectively evaluated for impairment	63,929	25,507
Subtotal	63,929	25,507
Loans acquired in the merger	50,645	67,686
Gross loans receivable	114,574	93,193
Real Estate [Member] \| Church [Member]
Ending Allowance Balance Attributable to Loans [Abstract]
Individually evaluated for impairment	4	4
Collectively evaluated for impairment	61	99
Total ending allowance balance	65	103	237
Loans [Abstract]
Loans individually evaluated for impairment	1,655	1,954
Loans collectively evaluated for impairment	9,008	9,058
Subtotal	10,663	11,012
Loans acquired in the merger	5,117	11,491
Gross loans receivable	15,780	22,503
Real Estate [Member] \| Construction [Member]
Ending Allowance Balance Attributable to Loans [Abstract]
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	313	212
Total ending allowance balance	313	212	22
Loans [Abstract]
Loans individually evaluated for impairment	0	0
Loans collectively evaluated for impairment	38,530	24,225
Subtotal	38,530	24,225
Loans acquired in the merger	2,173	7,847
Gross loans receivable	40,703	32,072
Commercial - Other [Member]
Ending Allowance Balance Attributable to Loans [Abstract]
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	175	23
Total ending allowance balance	175	23	4
Loans [Abstract]
Loans individually evaluated for impairment	0	0
Loans collectively evaluated for impairment	29,558	3,124
Subtotal	29,558	3,124
Loans acquired in the merger	38,884	62,252
Gross loans receivable	68,442	65,376
Consumer [Member]
Ending Allowance Balance Attributable to Loans [Abstract]
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	4	15
Total ending allowance balance	4	15	$ 1
Loans [Abstract]
Loans individually evaluated for impairment	0	0
Loans collectively evaluated for impairment	11	0
Subtotal	11	0
Loans acquired in the merger	0	0
Gross loans receivable	$ 11	$ 0

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Amount of financing receivables acquired in a merger.

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Amount, before allowance for credit loss, of financing receivable, excluding loans acquired in merger.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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