Debt MIF Warehousing Agreement (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)
Debt Instrument [Line Items]
Maximum Borrowing Availability under all Credit Lines	$ 125,000
Notes payable bank - financial service operations	$ 69,681	$ 85,379
Warehousing Agreement - First Amendment to Amended and Restated [Member]
Debt Instrument [Line Items]
LIBOR basis points	275
Debt Instrument, Basis Spread on Variable Rate	3.00%
Warehousing Agreement - Third Amendment to Amended and Restated [Member]
Debt Instrument [Line Items]
Maximum Borrowing Capacity under MIF Warehousing Line	$ 110,000
Optional increase in borrowing availability	20,000
Aggreate Maximum Principal Amount Permitted to be Outstanding Under All Warehousing Credit Lines	150,000
Minimum Net Worth Required for Compliance	11,000
Minimum required liquidity for compliance	$ 5,500
LIBOR basis points	250
Debt Instrument, Basis Spread on Variable Rate	3.00%
Repurchase Agreement [Member]
Debt Instrument [Line Items]
Maximum Borrowing Capacity under MIF Warehousing Line	$ 15,000
Minimum [Member] | Repurchase Agreement [Member]
Debt Instrument [Line Items]
LIBOR basis points	275
Maximum [Member] | Repurchase Agreement [Member]
Debt Instrument [Line Items]
LIBOR basis points	300