Annual report pursuant to Section 13 and 15(d)

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

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Variable Interest Entities (Information Related To The Assets And Liabilities Of The VIEs) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Variable Interest Entity [Line Items]    
Restricted cash $ 53,726 $ 46,012
Securitized notes receivable, net 439,167 426,858
Receivable backed notes payable - non-recourse 382,257 336,421
Variable Interest Entity, Primary Beneficiary [Member]    
Variable Interest Entity [Line Items]    
Restricted cash 28,400 19,488
Securitized notes receivable, net 341,975 279,188
Receivable backed notes payable - non-recourse $ 382,257 $ 336,421