v3.25.2
Loans Receivable (Write-Offs Segmented by Year of Assignment) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]        
Write-offs $ 0.0 $ 0.0 $ 0.0 $ 0.0
Dealer Loans [Member]        
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]        
Write-offs 0.0 0.0 0.0 0.0
Purchased Loans [Member]        
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]        
Write-offs 0.0 0.0 0.0 0.0
Allowance for Credit Losses [Member]        
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]        
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff 99.3 82.2 200.0 168.9
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 52.8 48.0 104.1 95.1
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 82.4 57.9 164.1 114.7
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 53.8 82.0 106.0 155.3
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 41.8 50.8 83.3 95.7
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 13.4 8.1 15.4 10.7
Write-offs 343.5 329.0 672.9 640.4
Allowance for Credit Losses [Member] | Dealer Loans [Member]        
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]        
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff 73.8 46.4 143.1 91.6
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 38.2 28.8 72.4 54.1
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 58.5 35.0 110.8 63.9
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 20.7 45.9 35.4 79.1
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 12.3 13.2 24.9 22.2
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 4.1 1.9 4.6 3.1
Write-offs 207.6 171.2 391.2 314.0
Allowance for Credit Losses [Member] | Purchased Loans [Member]        
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]        
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff 25.5 35.8 56.9 77.3
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 14.6 19.2 31.7 41.0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 23.9 22.9 53.3 50.8
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 33.1 36.1 70.6 76.2
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 29.5 37.6 58.4 73.5
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 9.3 6.2 10.8 7.6
Write-offs $ 135.9 $ 157.8 $ 281.7 $ 326.4