Loans Receivable Held for Investment (Details 8) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($) loan	Jun. 30, 2014 loan	Jun. 30, 2015 USD ($) loan	Jun. 30, 2014 loan	Dec. 31, 2014 USD ($)
Troubled debt restructuring
Loans classified as Troubled Debt Restructurings	$ 17,400		$ 17,400		$ 20,200
Specific reserves allocated to TDRs	1,400		$ 1,400		1,300
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 modified | loan	0	0	0	0
Non-accrual status
Troubled debt restructuring
Loans classified as Troubled Debt Restructurings	$ 5,100		$ 5,100		5,500
Accrual status
Troubled debt restructuring
Loans classified as Troubled Debt Restructurings	$ 12,300		$ 12,300		$ 14,700