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Derivatives (Table Text Block) | 3 Months Ended
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Jun. 30, 2025
Interest Rate Swap [Member] |
Derivative [Line Items] |
Schedule of derivative instruments in statement of financial position, fair value |
|  | Derivatives Fair Values as of |
|  | June 30, 2025 |  |  | March 31, 2025 |
|  | (Unaudited) |
|  | (In thousands) |
Interest rate swaps designated as cash flow hedges: |
Assets |  | $ | 3,331 |  |  | $ | 4,381 |
Liabilities |  | $ | 546 |  |  | $ | 777 |
Notional amount |  | $ | 374,767 |  |  | $ | 376,887 |
Equity Swap [Member] |
Derivative [Line Items] |
Schedule of derivative instruments in statement of financial position, fair value |
|  | Derivatives Fair Values as of |
|  | June 30, 2025 |  |  | March 31, 2025 |
|  | (Unaudited) |
|  | (In thousands) |
Equity market contracts as economic hedging instruments: |  |  |  |  |  |
Assets |  | $ | 5,078 |  |  | $ | 8,819 |
Notional amount |  | $ | 297,871 |  |  | $ | 326,218 |

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