Loans Receivable Held for Investment (Details 8) (USD $)	3 Months Ended
	Mar. 31, 2015 loan	Mar. 31, 2014 loan	Dec. 31, 2014
Troubled debt restructuring
Loans classified as Troubled Debt Restructurings	$ 18,400,000		$ 20,200,000
Specific reserves allocated to TDRs	1,500,000		1,300,000
Timely payment period for return to accrual status	6 months
Commitments to lend additional amounts to customers with TDRs	0		0
Number of loans modified	0	0
Non-accrual status
Troubled debt restructuring
Loans classified as Troubled Debt Restructurings	5,200,000		5,500,000
Accrual status
Troubled debt restructuring
Loans classified as Troubled Debt Restructurings	$ 13,200,000		$ 14,700,000