Fair Value of Assets and Liabilities - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |
|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2026 |
Mar. 31, 2026 |
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Increased total net revenue and net income | $ 8.4 | $ 8.4 | |
| Credit Card Derivative | |||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Increase in credit card derivative | 2.7 | 2.7 | $ 5.2 |
| Credit Card Servicing Obligation Liability | |||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Increase in credit card derivative | 0.4 | 0.4 | $ 0.7 |
| Credit Card Partner | |||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Increase in credit card derivative | $ 6.0 | $ 6.0 |