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Investments - Schedule of Equity Securities and Trading Debt Securities Net Unrealized Investment Gains and Losses (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]      
Net unrealized investment gains (losses) $ (6,327) $ 54,228 $ (92,793)