Life Insurance Liabilities (Present Value Expected Net Premiums) (Details) - Life Insurance Segment [Member] - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Liability For Future Policy Benefit Expected Net Premium [Roll Forward]
Balance, beginning of the year	$ 522,122	$ 530,983
Beginning balance at original discount rate	514,113	533,688
Effect of actual variances from expected variances			$ 2,233	$ 584
Adjust beginning of year balance			$ 509,834	$ 532,067
Issuances	7,353	6,692
Interest accrual	7,486	8,367
Net premium collected	27,224	29,812
Ending balance at original discount rate	189,688	209,734
Effect of changes in discount rate assumptions (AOCI)	3,322	6,878
Balance, end of period	$ 193,010	$ 202,856