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INVESTMENTS - Schedule of Equity Securities and Trading Debt Securities Net Unrealized Investment Gains and Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Investments, Debt and Equity Securities [Abstract] |  |  |  |
Net unrealized investment gains (losses) | $ 48,225 | $ (10,248) | $ 39,241 | $ 753

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- Definition Amount of net unrealized gain (loss) on investments in equity securities and trading debt securities. + References No definition available. + Details
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