Loans Receivable Held for Investment (Details 3) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011
Ending allowance balance attributable to loans:
Individually evaluated for impairment	$ 2,450		$ 2,732
Collectively evaluated for impairment	7,889		9,137
Total ending allowance balance	10,339	10,579	11,869	16,984	17,856	17,299
Loans:
Loans individually evaluated for impairment	38,550		44,376
Loans collectively evaluated for impairment	222,274		218,750
Total ending loans balance	260,824		263,126
One-to-four units
Ending allowance balance attributable to loans:
Individually evaluated for impairment	508		719
Collectively evaluated for impairment	1,571		1,341
Total ending allowance balance	2,079	2,445	2,060	4,615	4,701	4,855
Loans:
Loans individually evaluated for impairment	3,674		4,576
Loans collectively evaluated for impairment	46,622		53,157
Total ending loans balance	50,296		57,733
Five or more units
Ending allowance balance attributable to loans:
Individually evaluated for impairment	147		125
Collectively evaluated for impairment	1,370		1,997
Total ending allowance balance	1,517	1,169	2,122	2,558	2,897	2,972
Loans:
Loans individually evaluated for impairment	4,226		3,766
Loans collectively evaluated for impairment	100,075		79,584
Total ending loans balance	104,301		83,350
Commercial real estate
Ending allowance balance attributable to loans:
Individually evaluated for impairment	293		543
Collectively evaluated for impairment	1,279		2,142
Total ending allowance balance	1,572	1,674	2,685	2,444	2,640	3,108
Loans:
Loans individually evaluated for impairment	7,936		10,364
Loans collectively evaluated for impairment	25,008		30,760
Total ending loans balance	32,944		41,124
Church
Ending allowance balance attributable to loans:
Individually evaluated for impairment	1,486		1,276
Collectively evaluated for impairment	3,612		3,542
Total ending allowance balance	5,098	5,060	4,818	7,008	7,223	5,742
Loans:
Loans individually evaluated for impairment	22,552		25,328
Loans collectively evaluated for impairment	48,168		50,926
Total ending loans balance	70,720		76,254
Construction
Ending allowance balance attributable to loans:
Collectively evaluated for impairment	7		8
Total ending allowance balance	7	8	8	105	106	249
Loans:
Loans individually evaluated for impairment			273
Loans collectively evaluated for impairment	434		462
Total ending loans balance	434		735
Commercial
Ending allowance balance attributable to loans:
Individually evaluated for impairment	16		69
Collectively evaluated for impairment	43		98
Total ending allowance balance	59	213	167	241	270	316
Loans:
Loans individually evaluated for impairment	162		69
Loans collectively evaluated for impairment	1,931		3,826
Total ending loans balance	2,093		3,895
Consumer
Ending allowance balance attributable to loans:
Collectively evaluated for impairment	7		9
Total ending allowance balance	7	10	9	13	19	57
Loans:
Loans collectively evaluated for impairment	36		35
Total ending loans balance	$ 36		$ 35