Contingent Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Loss Contingencies [Line Items]
Cash payment for litigation settlement relating to collection of vehicle service contracts counterparty receivables	$ 4,000
Aggregate amount of counterparty obligations	3,173		$ 7,229
VSC counterparty contingency expense	30	$ 29
Provision for loss reimbursement on sold loans	(15)	$ (69)
Reserve for loss reimbursement on sold mortgage loans	500		$ 500
Promissory Note [Member]
Loss Contingencies [Line Items]
Notes payable amount of settlement to counterparties	$ 1,500
Term of note	5 years
Pending Litigation [Member]
Loss Contingencies [Line Items]
Maximum range of reasonably possible loss	$ 1,000
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