Quarterly report pursuant to Section 13 or 15(d)

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

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Notes Receivable (Percentage Of Gross Notes Receivable Outstanding By FICO Score At Origination) (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]    
Percentage of gross notes receivable outstanding 100.00% 100.00%
701+ [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Percentage of gross notes receivable outstanding 59.00% 59.00%
601-700 [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Percentage of gross notes receivable outstanding 37.00% 37.00%
Less Than 601 [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Percentage of gross notes receivable outstanding 3.00% 3.00%
Other [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Percentage of gross notes receivable outstanding [1] 1.00% 1.00%
[1] VOI notes receivable attributable to borrowers without a FICO score (who are primarily foreign borrowers).