Annual report pursuant to Section 13 and 15(d)

Variable Interest Entities (Information Related To The Assets And Liabilities Of The VIEs) (Details)

v3.8.0.1
Variable Interest Entities (Information Related To The Assets And Liabilities Of The VIEs) (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Variable Interest Entity [Line Items]    
Restricted cash $ 46,012 $ 46,106
Securitized notes receivable, net 431,801 430,480
Receivable backed notes payable - non-recourse 336,421 327,358
Variable Interest Entity, Primary Beneficiary [Member]    
Variable Interest Entity [Line Items]    
Restricted cash 19,488 21,894
Securitized notes receivable, net 282,599 287,012
Receivable backed notes payable - non-recourse $ 336,421 $ 327,358