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Notes Payable Narrative (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Notes payable associated with structured financings, at fair value $ 15,626 $ 20,970
Credit card receivables and restricted cash carrying amount as security for notes payable 15,600  
Maximum Aggregate Exposure to Pretax Equity Loss Associated With Structured Financing at Fair Value 0  
Revolving credit facilities $ 64,992 $ 28,900