Loans Receivable Held for Investment, Activity in Allowance for Loan Losses by Loan Type (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Allowance for Loan and Lease Losses by Loan Type [Roll Forward]
Beginning balance	$ 3,391	$ 3,215
Provision for (recapture of) loan losses	997	176
Recoveries	0	0
Loans charged off	0	0
Ending balance	4,388	3,391
Real Estate [Member] \| Single Family [Member]
Allowance for Loan and Lease Losses by Loan Type [Roll Forward]
Beginning balance	145	296
Provision for (recapture of) loan losses	(36)	(151)
Recoveries	0	0
Loans charged off	0	0
Ending balance	109	145
Real Estate [Member] \| Multi-Family [Member]
Allowance for Loan and Lease Losses by Loan Type [Roll Forward]
Beginning balance	2,657	2,433
Provision for (recapture of) loan losses	616	224
Recoveries	0	0
Loans charged off	0	0
Ending balance	3,273	2,657
Real Estate [Member] \| Commercial Real Estate [Member]
Allowance for Loan and Lease Losses by Loan Type [Roll Forward]
Beginning balance	236	222
Provision for (recapture of) loan losses	213	14
Recoveries	0	0
Loans charged off	0	0
Ending balance	449	236
Real Estate [Member] \| Church [Member]
Allowance for Loan and Lease Losses by Loan Type [Roll Forward]
Beginning balance	103	237
Provision for (recapture of) loan losses	(38)	(134)
Recoveries	0	0
Loans charged off	0	0
Ending balance	65	103
Real Estate [Member] \| Construction [Member]
Allowance for Loan and Lease Losses by Loan Type [Roll Forward]
Beginning balance	212	22
Provision for (recapture of) loan losses	101	190
Recoveries	0	0
Loans charged off	0	0
Ending balance	313	212
Commercial - Other [Member]
Allowance for Loan and Lease Losses by Loan Type [Roll Forward]
Beginning balance	23	4
Provision for (recapture of) loan losses	152	19
Recoveries	0	0
Loans charged off	0	0
Ending balance	175	23
Consumer [Member]
Allowance for Loan and Lease Losses by Loan Type [Roll Forward]
Beginning balance	15	1
Provision for (recapture of) loan losses	(11)	14
Recoveries	0	0
Loans charged off	0	0
Ending balance	$ 4	$ 15

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

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

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- Definition

Amount of increase in allowance for credit loss on financing receivable from recovery.

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- Definition

Amount of writeoff of financing receivable, charged against allowance for credit loss.

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- Definition

Amount of credit loss expense (reversal of expense) for financing receivable.

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