v3.26.1
Loans Receivable (Write-Offs Segmented by Year of Assignment) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]    
Write-offs $ 0.0 $ 0.0
Dealer Loans [Member]    
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]    
Write-offs 0.0 0.0
Purchased Loans [Member]    
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]    
Write-offs 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 116.8 100.7
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 83.3 51.3
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 68.0 81.7
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 53.7 52.2
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 35.8 41.5
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 2.7 2.0
Write-offs 360.3 329.4
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 93.0 69.3
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 65.3 34.2
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 37.4 52.3
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 23.3 14.7
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 7.4 12.6
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 0.5 0.5
Write-offs 226.9 183.6
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 23.8 31.4
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 18.0 17.1
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 30.6 29.4
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 30.4 37.5
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 28.4 28.9
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 2.2 1.5
Write-offs $ 133.4 $ 145.8