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Investments - Net Realized and Unrealized Investment Gains (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Equity securities: |  |
Equity securities | $ 759 | $ 2,115
Net realized and unrealized investment gains | 502 | 1,853
Available-for-sale securities |  |
Available-for-sale securities: |  |
Gross realized gains | 349 | 270
Gross realized losses | (611) | (532)
Net realized losses on available-for-sale securities | (262) | (262)
Equity securities |  |
Equity securities: |  |
Equity securities | 759 | 2,115
Miscellaneous |  |
Equity securities: |  |
Miscellaneous | $ 5 | $ 0

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