Quarterly report pursuant to Section 13 or 15(d)

Securitization of Financial Assets - Additional Information (Details)

v3.20.2
Securitization of Financial Assets - Additional Information (Details)
 6 Months Ended
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]      
Annual servicing fees (up to) 0.20%    
Managed assets $ 6,200,000,000   $ 6,200,000,000
Securitization credit losses 0 $ 0  
Securitization assets 139,793,000   123,979,000
Asset-backed Securities, Securitized Loans and Receivables      
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]      
Managed receivables 4,100,000,000   $ 4,100,000,000
Greater than 90 Days Past Due      
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]      
Securitization assets $ 0    
Maximum | Measurement Input, Discount Rate      
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]      
Discount rates to determine fair market value of underlying assets 0.08    
Minimum | Measurement Input, Discount Rate      
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]      
Discount rates to determine fair market value of underlying assets 0.02