Loans Receivable Held for Investment - Activity in the Allowance for Loan Losses by Loan Type (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Allowance for loan losses:
Beginning balance	$ 4,069	$ 4,603
Provision for (recapture of) loan losses		(350)
Recoveries	114	139
Ending balance	4,183	4,392
Single family
Allowance for loan losses:
Beginning balance	594	367
Provision for (recapture of) loan losses	(6)	(37)
Ending balance	588	330
Multi-family
Allowance for loan losses:
Beginning balance	2,300	2,659
Provision for (recapture of) loan losses	208	52
Ending balance	2,508	2,711
Commercial real estate
Allowance for loan losses:
Beginning balance	71	215
Provision for (recapture of) loan losses	(6)	(140)
Ending balance	65	75
Church
Allowance for loan losses:
Beginning balance	1,081	1,337
Provision for (recapture of) loan losses	(190)	(226)
Recoveries	114	139
Ending balance	1,005	1,250
Construction
Allowance for loan losses:
Beginning balance	17	8
Provision for (recapture of) loan losses	(6)	1
Ending balance	11	9
Commercial - other
Allowance for loan losses:
Beginning balance	6	17
Provision for (recapture of) loan losses		(1)
Ending balance	$ 6	16
Consumer
Allowance for loan losses:
Provision for (recapture of) loan losses		1
Ending balance		$ 1

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Amount of recovery of financing receivables doubtful of collection that were previously charged off.

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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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-Name Accounting Standards Codification
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Amount of expense related to estimated loss from loan and lease transactions.

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