Loans and Finance Receivables - Additional Information (Detail) - USD ($) $ in Millions |
Sep. 30, 2026 |
Dec. 31, 2025 |
Sep. 30, 2025 |
|---|---|---|---|
| Accounts Notes And Loans Receivable [Line Items] | |||
| Active consumer loans owned by third-party lenders | $ 20.1 | $ 22.3 | $ 20.8 |
| Accrual for losses on consumer loan guaranty obligations | 27.6 | 26.1 | 24.4 |
| Accrual for third party lender owned consumer loans, outstanding principal amount | 16.8 | 18.7 | 17.3 |
| Financial Asset, Equal to or Greater than 90 Days Past Due | |||
| Accounts Notes And Loans Receivable [Line Items] | |||
| Aggregate fair value of loans and finance receivables that are 90 days or more past due | 76.4 | 41.5 | 36.7 |
| Aggregate fair value of loans and finance receivables in non-accrual status | 64.2 | 30.1 | 23.0 |
| Aggregate unpaid principal balance for loans and finance receivables that are 90 days past due | $ 106.6 | $ 60.7 | $ 59.5 |