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Investments - Schedule of Realized Gain (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Fair Value at Sale |  |  |  |
Fair value at sale | $ 56,327 | $ 7,516 | $ 138,504 | $ 12,593
Fair value at sale | 581 | 62 | 1,581 | 5,442
Net fair value at sale | 56,908 | 7,578 | 140,085 | 18,035
Debt Securities, Available-for-Sale, Realized Gain | 3 | 0 | 1,388 | 0
Debt Securities, Available-for-Sale, Realized Loss | (3) | (3) | (6) | (124)
Debt Securities, Available-for-Sale, Realized Gains (Losses) | 0 | (3) | 1,382 | (124)
Fixed Maturities |  |  |  |
Fair Value at Sale |  |  |  |
Fair value at sale | 56,327 | 2,516 | 108,007 | 5,593
Fair value at sale | 581 | 62 | 1,581 | 443
Debt Securities, Available-for-Sale, Realized Gain | 3 | 0 | 5 | 0
Debt Securities, Available-for-Sale, Realized Loss | (3) | (3) | (6) | (124)
Equity Securities |  |  |  |
Fair Value at Sale |  |  |  |
Fair value at sale |  |  | 9,998 | 0
Debt Securities, Available-for-Sale, Realized Gain |  |  | 1,383 | 0
Short-term Investments |  |  |  |
Fair Value at Sale |  |  |  |
Fair value at sale | 0 | 5,000 | 20,499 | 5,000
Fair value at sale |  |  | 0 | 4,999
Debt Securities, Available-for-Sale, Realized Gain | $ 0 | $ 0 | 0 | 0
Debt Securities, Available-for-Sale, Realized Loss |  |  | 0 | 0
Limited Partnership |  |  |  |
Fair Value at Sale |  |  |  |
Fair value at sale |  |  | 0 | 2,000
Debt Securities, Available-for-Sale, Realized Gain |  |  | $ 0 | $ 0

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- Definition Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-9 + Details
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- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-9 + Details
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