Investments (Carrying value of other investments) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Mar. 31, 2024
Business Combination Separately Recognized Transactions Additional Disclosures [Abstract]
Mortgage loans, net	$ 592,630	$ 579,767
Investments other, amount	643,893	633,936
Other Investments [Member]
Business Combination Separately Recognized Transactions Additional Disclosures [Abstract]
Mortgage loans, net	623,042	604,481
Short-term investments		997
Policy loans	11,642	11,229
Other equity investments	9,209	17,229
Investments other, amount	$ 643,893	$ 633,936

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Sum of the carrying amounts as of the balance sheet date of all investments.

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Amount before allowance of loans made to policy and contract holders using their life insurance contracts' cash value or separate accounts as collateral. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums over and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount of investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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Amount of investments classified as other.

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Amount of short-term investments classified as other.

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