Contingent Liabilities (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2009
Loss Contingencies [Line Items]
Aggregate amount of counterparty obligations	$ 7,104,000		$ 7,104,000		$ 7,716,000
VSC counterparty contingency expense	73,000	3,127,000	141,000	3,254,000
Loss reimbursement on sold loans						60,000
Provision for loss reimbursement on sold loans	15,000	356,000	(466,000)	1,019,000
Payment with respect to repurchase obligation					1,500,000
Reserve For Loss Reimbursement On Sold Loans	700,000		700,000		1,400,000
Pending Litigation [Member]
Loss Contingencies [Line Items]
Maximum range of reasonably possible loss	$ 500,000		$ 500,000
Accounts Receivables Due to Mepco [Member]
Loss Contingencies [Line Items]
Installment payments period for service contract, minimum	12 months
Installment payments period for service contract, maximum	24 months