Loans Receivable Held for Investment, Average of Loans Individually Evaluated for Impairment by Loan Type and Related Interest Income (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Loans Individually Evaluated for Impairment by Loan Type and Related Interest Income [Abstract]
Average recorded investment	$ 2,534	$ 4,361	$ 2,550	$ 4,512
Cash basis interest income recognized	31	72	62	147
Foregone interest income	23	19	54	38
Real Estate [Member] \| Single Family [Member]
Loans Individually Evaluated for Impairment by Loan Type and Related Interest Income [Abstract]
Average recorded investment	63	316	64	426
Cash basis interest income recognized	1	4	2	10
Real Estate [Member] \| Multi-Family [Member]
Loans Individually Evaluated for Impairment by Loan Type and Related Interest Income [Abstract]
Average recorded investment	274	292	276	294
Cash basis interest income recognized	5	5	10	10
Real Estate [Member] \| Church [Member]
Loans Individually Evaluated for Impairment by Loan Type and Related Interest Income [Abstract]
Average recorded investment	2,197	3,742	2,210	3,766
Cash basis interest income recognized	25	63	50	126
Commercial - Other [Member]
Loans Individually Evaluated for Impairment by Loan Type and Related Interest Income [Abstract]
Average recorded investment	0	11	0	26
Cash basis interest income recognized	$ 0	$ 0	$ 0	$ 1

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- Definition

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524

+ Details

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- Definition

Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

+ Details

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- Definition

Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=121585226&loc=d3e18794-111554

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