v3.25.4
Life Insurance Liabilities (Balance Changes Liabilities Investment Contracts) (Details) - Deferred Fixed Annuity [Member] - USD ($)
$ in Thousands
9 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Policyholder Account Balance [Roll Forward]    
Policyholder contract deposits account balance Beginning of year $ 2,511,422 $ 2,411,352
Deposits received 247,328 389,848
Surrenders and withdrawals (353,662) (290,875)
Benefit payments (24,715) (27,130)
Interest credited 72,952 58,290
Other   5,455
End of period $ 2,453,325 $ 2,546,940
Weighted average credited rate 3.92% 3.35%
Cash surrender value $ 2,157,343 $ 2,257,207