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	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Ending allowance balance attributable to loans:
Individually evaluated for impairment	$ 149	$ 147
Collectively evaluated for impairment	3,062	3,035
Total ending allowance balance	3,211	3,182	$ 2,929	$ 2,929
Loans:
Loans individually evaluated for impairment	5,152	5,343
Loans collectively evaluated for impairment	379,393	395,686
Gross loans receivable	384,545	401,029
Single family
Ending allowance balance attributable to loans:
Individually evaluated for impairment	73	60
Collectively evaluated for impairment	235	252
Total ending allowance balance	308	312	347	369
Loans:
Loans individually evaluated for impairment	602	611
Loans collectively evaluated for impairment	63,684	72,501
Gross loans receivable	64,286	73,112
Multi-family
Ending allowance balance attributable to loans:
Collectively evaluated for impairment	2,408	2,319
Total ending allowance balance	2,408	2,319	1,990	1,880
Loans:
Loans individually evaluated for impairment	310	313
Loans collectively evaluated for impairment	284,929	288,730
Gross loans receivable	285,239	289,043
Commercial real estate
Ending allowance balance attributable to loans:
Collectively evaluated for impairment	140	133
Total ending allowance balance	140	133	62	52
Loans:
Loans collectively evaluated for impairment	14,742	14,818
Gross loans receivable	14,742	14,818
Church
Ending allowance balance attributable to loans:
Individually evaluated for impairment	74	85
Collectively evaluated for impairment	249	277
Total ending allowance balance	323	362	507	603
Loans:
Loans individually evaluated for impairment	4,178	4,356
Loans collectively evaluated for impairment	15,091	16,292
Gross loans receivable	19,269	20,648
Construction
Ending allowance balance attributable to loans:
Collectively evaluated for impairment	24	48
Total ending allowance balance	24	48	18	19
Loans:
Loans collectively evaluated for impairment	717	3,125
Gross loans receivable	717	3,125
Commercial - other
Ending allowance balance attributable to loans:
Individually evaluated for impairment	2	2
Collectively evaluated for impairment	5	5
Total ending allowance balance	7	7	$ 5	$ 6
Loans:
Loans individually evaluated for impairment	62	63
Loans collectively evaluated for impairment	206	199
Gross loans receivable	268	262
Consumer
Ending allowance balance attributable to loans:
Collectively evaluated for impairment	1	1
Total ending allowance balance	1	1
Loans:
Loans collectively evaluated for impairment	24	21
Gross loans receivable	$ 24	$ 21

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- Definition

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

+ References

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-Publisher FASB
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- Definition

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

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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