Derivatives (Equity Market Contracts Designated As Hedging Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Mar. 31, 2025
Notional Amount Of Derivatives [Abstract]
Derivative Liability, Notional Amount	$ 411	$ 777
Equity Swap [Member]
Notional Amount Of Derivatives [Abstract]
Derivative Asset Notional Amount	8,314	8,819
Derivative Notional Amount	$ 296,776	$ 326,218