Loans Receivable Held for Investment - Activity in the allowance for loan losses by loan type (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Allowance for loan losses:
Beginning balance	$ 4,545	$ 6,923	$ 4,828	$ 8,465
Provision for (recapture of) loan losses		(200)	(550)	(1,700)
Recoveries	52	5	319	16
Loans charged off				(53)
Ending balance	4,597	6,728	4,597	6,728
Single family
Allowance for loan losses:
Beginning balance	441	1,150	597	1,174
Provision for (recapture of) loan losses	(68)	(189)	(224)	(210)
Recoveries	47		47
Loans charged off				(3)
Ending balance	420	961	420	961
Multi-family
Allowance for loan losses:
Beginning balance	2,247	1,845	1,658	2,726
Provision for (recapture of) loan losses	200	135	789	(746)
Ending balance	2,447	1,980	2,447	1,980
Commercial real estate
Allowance for loan losses:
Beginning balance	240	404	469	496
Provision for (recapture of) loan losses	2	75	(475)	(17)
Recoveries			248
Ending balance	242	479	242	479
Church
Allowance for loan losses:
Beginning balance	1,596	3,508	2,083	4,047
Provision for (recapture of) loan losses	(133)	(221)	(632)	(721)
Recoveries	4	5	16	16
Loans charged off				(50)
Ending balance	1,467	3,292	1,467	3,292
Construction
Allowance for loan losses:
Beginning balance	3	4	3	7
Provision for (recapture of) loan losses				(3)
Ending balance	3	4	3	4
Commercial - other
Allowance for loan losses:
Beginning balance	17	12	18	12
Provision for (recapture of) loan losses	(1)		(9)
Recoveries	1		8
Ending balance	17	$ 12	17	12
Consumer
Allowance for loan losses:
Beginning balance	1			3
Provision for (recapture of) loan losses			1	$ (3)
Ending balance	$ 1		$ 1

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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No definition available.

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

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-Section 50
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-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 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section L
-Subsection 1

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Amount of expense related to estimated loss from loan and lease transactions.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
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-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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