XML 55 R44.htm IDEA: XBRL DOCUMENT v3.21.2
Securitizations Net - Summary of Outstanding Balance Net of Discounts and Deals Costs of Securities and Effective Interest Rate (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Debt Instrument [Line Items]      
Securitizations, net $ 1,623,674 $ 1,670,930 $ 1,579,019
Average outstanding balance $ 1,574,999 $ 1,728,131  
Effective interest rate 4.68% 4.53%  
Securitizations      
Debt Instrument [Line Items]      
Interest expense - portfolio related $ 55,288 $ 58,749