Loans and Allowance for Credit Losses - Schedule of Loan Delinquency for Recreation and Home Improvement Loans (Parenthetical) (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
|
| Receivables [Abstract] | ||
| Capitalized recreation loan origination costs | $ 56.7 | $ 55.1 |
| Capitalized home improvement loan origination costs | $ 2.2 | $ 2.9 |