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v3.23.1

Net Investment and Interest Income (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021
Net Investment Income [Line Items] |  |  |
Investment income | $ 185,014 | $ 155,541 | $ 129,970
Less: investment expenses | (8,335) | (7,280) | (7,032)
Net investment and interest income | 176,679 | 148,261 | 122,938
Fixed Maturities [Member] |  |  |
Net Investment Income [Line Items] |  |  |
Investment income | 171,814 | 111,625 | 102,021
Real Estate [Member] |  |  |
Net Investment Income [Line Items] |  |  |
Investment income | 5,734 | 5,648 | 5,769
Insurance policy loans [Member] |  |  |
Net Investment Income [Line Items] |  |  |
Investment income | 869 | 705 | 829
Mortgage loans [Member] |  |  |
Net Investment Income [Line Items] |  |  |
Investment income | 23,854 | 25,850 | 18,248
Short-term, amounts held by ceding reinsurers, net and other investments [Member] |  |  |
Net Investment Income [Line Items] |  |  |
Investment income | $ (17,257) | $ 11,713 | $ 3,103

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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(a),(b)) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
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- Definition Amount of expenses related to the generation of investment income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.2) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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- Definition Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(2)) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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