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	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Ending allowance balance attributable to loans:
Individually evaluated for impairment	$ 656	$ 995
Collectively evaluated for impairment	3,947	3,833
Total ending allowance balance	4,603	4,828	$ 8,465
Loans:
Loans individually evaluated for impairment	11,897	15,784
Loans collectively evaluated for impairment	372,160	293,215
Gross loans receivable	384,057	308,999
Single family
Ending allowance balance attributable to loans:
Individually evaluated for impairment	125	134
Collectively evaluated for impairment	242	463
Total ending allowance balance	367	597	1,174
Loans:
Loans individually evaluated for impairment	644	963
Loans collectively evaluated for impairment	104,688	130,632
Gross loans receivable	105,332	131,595
Multi-family
Ending allowance balance attributable to loans:
Individually evaluated for impairment		1
Collectively evaluated for impairment	2,659	1,657
Total ending allowance balance	2,659	1,658	2,726
Loans:
Loans individually evaluated for impairment	642	1,440
Loans collectively evaluated for impairment	230,798	118,186
Gross loans receivable	231,440	119,626
Commercial real estate
Ending allowance balance attributable to loans:
Individually evaluated for impairment		88
Collectively evaluated for impairment	215	381
Total ending allowance balance	215	469	496
Loans:
Loans individually evaluated for impairment		1,924
Loans collectively evaluated for impairment	8,921	9,488
Gross loans receivable	8,921	11,412
Church
Ending allowance balance attributable to loans:
Individually evaluated for impairment	516	756
Collectively evaluated for impairment	821	1,327
Total ending allowance balance	1,337	2,083	4,047
Loans:
Loans individually evaluated for impairment	10,545	11,390
Loans collectively evaluated for impairment	26,678	34,359
Gross loans receivable	37,223	45,749
Construction
Ending allowance balance attributable to loans:
Collectively evaluated for impairment	8	3
Total ending allowance balance	8	3	7
Loans:
Loans collectively evaluated for impairment	827	343
Gross loans receivable	827	343
Commercial - other
Ending allowance balance attributable to loans:
Individually evaluated for impairment	15	16
Collectively evaluated for impairment	2	2
Total ending allowance balance	17	18	12
Loans:
Loans individually evaluated for impairment	66	67
Loans collectively evaluated for impairment	242	203
Gross loans receivable	308	270
Consumer
Ending allowance balance attributable to loans:
Total ending allowance balance			$ 3
Loans:
Loans collectively evaluated for impairment	6	4
Gross loans receivable	$ 6	$ 4

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- Definition

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

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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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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

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=66008989&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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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

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-Publisher FASB
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-Section 50
-Paragraph 2
-Subparagraph (b)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

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