Loans Receivable Held for Investment - Activity in the Allowance for Loan Losses by Loan Type (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Allowance for loan losses:
Beginning balance	$ 2,929	$ 4,069
Provision for (recapture of) loan losses	(190)
Recoveries	190	114
Ending balance	2,929	4,183
Single family
Allowance for loan losses:
Beginning balance	369	594
Provision for (recapture of) loan losses	(22)	(6)
Ending balance	347	588
Multi-family
Allowance for loan losses:
Beginning balance	1,880	2,300
Provision for (recapture of) loan losses	110	208
Ending balance	1,990	2,508
Commercial real estate
Allowance for loan losses:
Beginning balance	52	71
Provision for (recapture of) loan losses	10	(6)
Ending balance	62	65
Church
Allowance for loan losses:
Beginning balance	603	1,081
Provision for (recapture of) loan losses	(286)	(190)
Recoveries	190	114
Ending balance	507	1,005
Construction
Allowance for loan losses:
Beginning balance	19	17
Provision for (recapture of) loan losses	(1)	(6)
Ending balance	18	11
Commercial - other
Allowance for loan losses:
Beginning balance	6	6
Provision for (recapture of) loan losses	(1)
Ending balance	$ 5	$ 6

Represent the provision for amount of expense or (recovery) related to loss from loan transactions.

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(4)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

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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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 6.L.1)
-URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707

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