Loans Receivable Held for Investment (Details 3) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012
Ending allowance balance attributable to loans:
Individually evaluated for impairment	$ 1,528		$ 2,187
Collectively evaluated for impairment	7,539		7,959
Total ending allowance balance	9,067	9,376	10,146	10,339	10,579	11,869
Loans:
Loans individually evaluated for impairment	24,974		33,503
Loans collectively evaluated for impairment	263,851		223,334
Total ending loans balance	288,825		256,837
Single family
Ending allowance balance attributable to loans:
Individually evaluated for impairment	137		382
Collectively evaluated for impairment	1,207		1,548
Total ending allowance balance	1,344	1,849	1,930	2,079	2,445	2,060
Loans:
Loans individually evaluated for impairment	1,436		3,053
Loans collectively evaluated for impairment	40,223		43,406
Total ending loans balance	41,659		46,459
Multi-family
Ending allowance balance attributable to loans:
Individually evaluated for impairment	124		143
Collectively evaluated for impairment	2,507		1,583
Total ending allowance balance	2,631	2,304	1,726	1,517	1,169	2,122
Loans:
Loans individually evaluated for impairment	3,141		4,163
Loans collectively evaluated for impairment	164,512		109,055
Total ending loans balance	167,653		113,218
Commercial real estate
Ending allowance balance attributable to loans:
Individually evaluated for impairment	185		206
Collectively evaluated for impairment	800		1,267
Total ending allowance balance	985	1,081	1,473	1,572	1,674	2,685
Loans:
Loans individually evaluated for impairment	4,692		4,894
Loans collectively evaluated for impairment	16,897		21,803
Total ending loans balance	21,589		26,697
Church
Ending allowance balance attributable to loans:
Individually evaluated for impairment	1,060		1,444
Collectively evaluated for impairment	3,009		3,505
Total ending allowance balance	4,069	4,112	4,949	5,098	5,060	4,818
Loans:
Loans individually evaluated for impairment	15,595		21,243
Loans collectively evaluated for impairment	41,397		46,691
Total ending loans balance	56,992		67,934
Construction
Ending allowance balance attributable to loans:
Collectively evaluated for impairment	7		7
Total ending allowance balance	7	7	7	7	8	8
Loans:
Loans collectively evaluated for impairment	394		424
Total ending loans balance	394		424
Commercial - other
Ending allowance balance attributable to loans:
Individually evaluated for impairment	22		12
Collectively evaluated for impairment	7		43
Total ending allowance balance	29	19	55	59	213	167
Loans:
Loans individually evaluated for impairment	110		150
Loans collectively evaluated for impairment	422		1,917
Total ending loans balance	532		2,067
Consumer
Ending allowance balance attributable to loans:
Collectively evaluated for impairment	2		6
Total ending allowance balance	2	4	6	7	10	9
Loans:
Loans collectively evaluated for impairment	6		38
Total ending loans balance	$ 6		$ 38