Quarterly report pursuant to Section 13 or 15(d)

Notes Receivable (Percentage Of Gross Notes Receivable Outstanding, By FICO Score At Origination) (Details)

v3.20.2
Notes Receivable (Percentage Of Gross Notes Receivable Outstanding, By FICO Score At Origination) (Details)
Sep. 30, 2020
Dec. 31, 2019
Financing Receivable, Recorded Investment [Line Items]    
Percentage of gross notes receivable outstanding 100.00% 100.00%
701+ [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Percentage of gross notes receivable outstanding 59.00% 59.00%
600-699 [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Percentage of gross notes receivable outstanding 37.00% 37.00%
Less Than 601 [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Percentage of gross notes receivable outstanding 4.00% 4.00%