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Employee Compensation and Benefits (Details 1) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Mar. 31, 2024 | Mar. 31, 2023
Retirement Benefits [Abstract] |  |  |  |
Service costs | $ 124 | $ 113 | $ 449 | $ 338
Interest costs | 39 | 25 | 98 | 52
Amortization of net actuarial loss | 17 | 22 | 85 | 62
Net defined benefit plan costs | $ 180 | $ 160 | 632 | 452
Net actuarial loss |  |  | 501 | 516
Deferred tax benefit |  |  | (126) | (129)
Total |  |  | $ 375 | $ 387

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