Quarterly report pursuant to Section 13 or 15(d)

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

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Securitization of Financial Assets - Summary of Certain Transactions with Securitization Trusts (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Fair Value Assumption, Date of Securitization or Asset-backed Financing Arrangement, Transferor's Continuing Involvement, Servicing Assets or Liabilities [Line Items]    
Gains on securitizations $ 4,532 $ 6,751
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 17,000 18,000
Cost of financial assets securitized 175,000 120,000
Proceeds from securitizations 192,000 138,000
Cash received from residual and servicing assets 3,000 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 $ 192,000 $ 165,000