Loans Receivable Held for Investment (Details 8) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013 loan	Jun. 30, 2012 loan	Jun. 30, 2013 loan	Jun. 30, 2012 loan	Dec. 31, 2012
Troubled debt restructuring
Loans classified as Troubled Debt Restructurings	$ 32,800,000		$ 32,800,000		$ 41,100,000
Specific reserves allocated to TDRs	2,200,000		2,200,000		2,500,000
Timely payment period for return to accrual status			6 months
Commitments to lend additional amounts to customers with TDRs	0		0		0
Number of Loans	1	7	6	11
Pre-Modification Outstanding Recorded Investment	1,456,000	2,927,000	2,195,000	4,169,000
Post- Modification Outstanding Recorded Investment	1,497,000	2,938,000	2,286,000	4,180,000
Increase in allowance for loan losses due to troubled debt restructurings	96,000	144,000	119,000	231,000
Troubled debt restructurings, charge-offs			23,000	100,000
Number of loans modified as TDRs in last 12 months, with payment default			0
Past due period for loan to be in payment default			90 days
Loan modifications other than TDRs		1,200,000		1,200,000
Minimum
Troubled debt restructuring
Period for repayment of delinquent property taxes for TDRs			6 months
Non-accrual status
Troubled debt restructuring
Loans classified as Troubled Debt Restructurings	13,500,000		13,500,000		22,800,000
Accrual status
Troubled debt restructuring
Loans classified as Troubled Debt Restructurings	19,300,000		19,300,000		18,300,000
One-to-four units
Troubled debt restructuring
Number of Loans		1	5	1
Pre-Modification Outstanding Recorded Investment		36,000	739,000	36,000
Post- Modification Outstanding Recorded Investment		36,000	789,000	36,000
Commercial real estate
Troubled debt restructuring
Number of Loans	1	1	1	2
Pre-Modification Outstanding Recorded Investment	1,456,000	505,000	1,456,000	734,000
Post- Modification Outstanding Recorded Investment	1,497,000	511,000	1,497,000	740,000
Church
Troubled debt restructuring
Number of Loans		5		8
Pre-Modification Outstanding Recorded Investment		2,386,000		3,399,000
Post- Modification Outstanding Recorded Investment		$ 2,391,000		$ 3,404,000