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v3.25.1

Net Investment and Interest Income (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Net Investment Income [Line Items] |  |  |
Investment income | $ 160,401 | $ 154,734 | $ 185,014
Less: investment expenses | (8,427) | (8,266) | (8,335)
Net investment and interest income | 151,974 | 146,468 | 176,679
Fixed Maturities [Member] |  |  |
Net Investment Income [Line Items] |  |  |
Investment income | 113,304 | 105,089 | 171,814
Insurance policy loans [Member] |  |  |
Net Investment Income [Line Items] |  |  |
Investment income | 819 | 669 | 869
Mortgage loans [Member] |  |  |
Net Investment Income [Line Items] |  |  |
Investment income | 36,117 | 28,599 | 23,854
Short-term, amounts held by ceding reinsurers, net and other investments [Member] |  |  |
Net Investment Income [Line Items] |  |  |
Investment income | $ 10,161 | $ 20,377 | $ 11,523

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