Investments (Carrying value of other investments) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023
Business Combination Separately Recognized Transactions Additional Disclosures [Abstract]
Mortgage loans, net	$ 494,664	$ 444,957
Investments other, amount	620,140	575,540
Other Investments [Member]
Business Combination Separately Recognized Transactions Additional Disclosures [Abstract]
Mortgage loans, net	510,307	466,531
Short-term investments	13,490	15,921
Real estate, other	72,257	72,178
Policy loans	10,852	10,921
Other equity investments	13,234	9,989
Investments other, amount	$ 620,140	$ 575,540

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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.

+ References

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of investments classified as other.

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Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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