FEE AND COMMISSION INCOME AND EXPENSE - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended |
|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2025 |
|
| Revenue from Contract with Customer [Abstract] | ||
| Customer loyalty program, cash back incentive | $ 32.1 | $ 55.1 |
| X | ||||||||||
- Definition Customer Loyalty Program, Cash Back Incentive, Amount Netted During Period No definition available.
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| X | ||||||||||
- References No definition available.
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