Quarterly report pursuant to Section 13 or 15(d)

Securitization of Financial Assets - Summary of Certain Transactions with Securitization Trusts (Details)

v3.20.1
Securitization of Financial Assets - Summary of Certain Transactions with Securitization Trusts (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Fair Value Assumption, Date of Securitization or Asset-backed Financing Arrangement, Transferor's Continuing Involvement, Servicing Assets or Liabilities [Line Items]    
Gains on securitizations $ 14,302 $ 6,610
Securitization Trust    
Fair Value Assumption, Date of Securitization or Asset-backed Financing Arrangement, Transferor's Continuing Involvement, Servicing Assets or Liabilities [Line Items]    
Gains on securitizations 5,000 7,000
Cost of financial assets securitized 48,000 302,000
Proceeds from securitizations 53,000 309,000
Cash received from residual and servicing assets 1,000 1,000
Securitization Trust | Residual Assets    
Fair Value Assumption, Date of Securitization or Asset-backed Financing Arrangement, Transferor's Continuing Involvement, Servicing Assets or Liabilities [Line Items]    
Residual and servicing assets $ 122,000 $ 78,000