Contingent Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2016	Mar. 31, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 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	$ 2,608			$ 2,608		$ 7,229
Vehicle service contract counterparty contingencies	(39)		$ 30	(10)	$ 89
Provision for loss reimbursement on sold loans	45		$ (35)	30	$ (59)
Reserve for loss reimbursement on sold mortgage loans	600			600		$ 500
Promissory Note [Member]
Loss Contingencies [Line Items]
Notes payable amount of settlement to counterparties		$ 1,500
Term of note		5 years
Full reserve on the remaining balance				1,390
Pending Litigation [Member] | Maximum [Member]
Loss Contingencies [Line Items]
Estimate of reasonably possible loss	$ 1,000			$ 1,000
Accounts Receivables Due to Mepco [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Installment payments period for service contract				12 months
Accounts Receivables Due to Mepco [Member] | Maximum [Member]
Loss Contingencies [Line Items]
Installment payments period for service contract				30 months