Life Insurance Liabilities (Present Value Expected Net Premiums) (Details) - Life Insurance Segment [Member] - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Liability For Future Policy Benefit Expected Net Premium [Roll Forward]
Balance, beginning of the year	$ 482,805	$ 522,122
Beginning balance at original discount rate	490,975	514,113
Effect of changes in cash flow assumptions	3,773		$ 2,788
Effect of actual variances from expected variances			1,396	$ 2,233
Adjust beginning of year balance			$ 485,611	$ 509,834
Issuances	3,058	7,353
Interest accrual	6,624	7,486
Net premium collected	24,750	27,224
Ending balance at original discount rate	166,256	189,688
Effect of changes in discount rate assumptions (AOCI)	1,445	3,322
Balance, end of period	$ 167,701	$ 193,010