Loans Receivable Held for Investment (Details 3) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011
Ending allowance balance attributable to loans:
Individually evaluated for impairment	$ 2,632		$ 2,732
Collectively evaluated for impairment	7,947		9,137
Total ending allowance balance	10,579	10,450	11,869	17,856	17,752	17,299
Loans:
Loans individually evaluated for impairment	35,467		44,376
Loans collectively evaluated for impairment	199,944		218,750
Total ending loans balance	235,411		263,126
One-to-four units
Ending allowance balance attributable to loans:
Individually evaluated for impairment	636		719
Collectively evaluated for impairment	1,809		1,341
Total ending allowance balance	2,445	1,834	2,060	4,701	4,836	4,855
Loans:
Loans individually evaluated for impairment	3,713		4,576
Loans collectively evaluated for impairment	48,285		53,157
Total ending loans balance	51,998		57,733
Five or more units
Ending allowance balance attributable to loans:
Individually evaluated for impairment	60		125
Collectively evaluated for impairment	1,109		1,997
Total ending allowance balance	1,169	1,123	2,122	2,897	3,013	2,972
Loans:
Loans individually evaluated for impairment	2,911		3,766
Loans collectively evaluated for impairment	74,959		79,584
Total ending loans balance	77,870		83,350
Commercial real estate
Ending allowance balance attributable to loans:
Individually evaluated for impairment	182		543
Collectively evaluated for impairment	1,492		2,142
Total ending allowance balance	1,674	1,549	2,685	2,640	2,859	3,108
Loans:
Loans individually evaluated for impairment	6,566		10,364
Loans collectively evaluated for impairment	26,174		30,760
Total ending loans balance	32,740		41,124
Church
Ending allowance balance attributable to loans:
Individually evaluated for impairment	1,588		1,276
Collectively evaluated for impairment	3,472		3,542
Total ending allowance balance	5,060	5,677	4,818	7,223	6,494	5,742
Loans:
Loans individually evaluated for impairment	22,111		25,328
Loans collectively evaluated for impairment	48,120		50,926
Total ending loans balance	70,231		76,254
Construction
Ending allowance balance attributable to loans:
Collectively evaluated for impairment	8		8
Total ending allowance balance	8	8	8	106	233	249
Loans:
Loans individually evaluated for impairment			273
Loans collectively evaluated for impairment	443		462
Total ending loans balance	443		735
Commercial
Ending allowance balance attributable to loans:
Individually evaluated for impairment	97
Collectively evaluated for impairment	47		98
Total ending allowance balance	144	181	98	201	231	247
Loans:
Loans individually evaluated for impairment	97
Loans collectively evaluated for impairment	1,903		3,826
Total ending loans balance	2,000		3,826
Consumer
Ending allowance balance attributable to loans:
Individually evaluated for impairment	69		69
Collectively evaluated for impairment	10		9
Total ending allowance balance	79	78	78	88	86	126
Loans:
Loans individually evaluated for impairment	69		69
Loans collectively evaluated for impairment	60		35
Total ending loans balance	$ 129		$ 104