Finance Receivables, Credit Quality Information, and Allowance for Credit Losses - Additional Information (Detail) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2026
USD ($)
Rating
|
Jun. 30, 2025
USD ($)
|
Dec. 31, 2025
USD ($)
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||
| Net finance receivables included net deferred origination fees | $ 13.8 | $ 13.8 | $ 15.1 | ||
| Number of FICO band categories | Rating | 6 | ||||
| Accrued interest reversed as a reduction of interest and fee income | $ 7.9 | $ 7.1 | $ 16.0 | $ 14.4 | |