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Investments - Investment Income, Realized and Unrealized Gains and Losses on Investments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Investments [Abstract] |  |  |  |
Investment income, net of investment expenses | $ 3,157 | $ 2,681 | $ 6,515 | $ 5,519
Realized gains on investments | 25 | 181 | 110 | 256
Realized losses on investments | (31) | (197) | (76) | (300)
Investment income and realized gains and losses, net of investment expenses | $ 3,151 | $ 2,665 | $ 6,549 | $ 5,475

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- Definition Amount of non operating investment income and realized gains. + References No definition available. + Details
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- Definition Amount of realized gain on investment. + References No definition available. + Details
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- Definition Amount of realized loss on investment. + References No definition available. + Details
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- Definition Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(8)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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