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Investments - Net Gains (Losses) On Investments and Other Financial Instruments (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Fixed income securities: |  |  |
Gross realized gains on sale of fixed income securities | $ 1,114 | $ 3,071 | $ 7,152
Gross realized losses on sale of fixed income securities | (8,045) | (17,620) | (15,477)
Impairments | 0 | 0 | (1,415)
Equity securities gains (losses): |  |  |
Equity securities gains (losses), on sales | 0 | 0 | (7)
Equity securities, gains (losses), changes in fair value | (130) | 530 | (2,013)
Change in embedded derivative on Home Re Transactions | (2,791) | (118) | 4,269
Other: |  |  |
Other, gains (losses) on sales | 16 | (1) | 2
Other, market adjustment | (10) | (3) | 26
Net gains (losses) on investments and other financial instruments | (9,846) | (14,141) | (7,463)
Proceeds from sales of fixed income securities | 45,087 | 375,788 | 397,553
Proceeds from sales of equity securities | $ 0 | $ 0 | $ 97

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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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