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v3.19.1

Net Investment and Interest Income (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2017
Net Investment Income [Line Items] |  |  |
Investment income | $ 115,436 | $ 111,913 | $ 101,216
Less: investment expenses | (4,502) | (4,766) | (3,820)
Investment income, related party |  | 3,326 | 4,880
Net investment and interest income | 110,934 | 110,473 | 102,276
Fixed Maturities [Member] |  |  |
Net Investment Income [Line Items] |  |  |
Investment income | 99,348 | 84,476 | 73,041
Real Estate [Member] |  |  |
Net Investment Income [Line Items] |  |  |
Investment income | 5,538 | 5,344 | 5,189
Insurance policy loans [Member] |  |  |
Net Investment Income [Line Items] |  |  |
Investment income | 1,305 | 1,212 | 1,212
Mortgage loans [Member] |  |  |
Net Investment Income [Line Items] |  |  |
Investment income | 16,674 | 17,783 | 20,617
Short-term, amounts held by ceding reinsurers, net and other investments [Member] |  |  |
Net Investment Income [Line Items] |  |  |
Investment income | $ (7,429) | $ 3,098 | $ 1,157

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