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 | ||
---|---|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
|
Investments, Debt and Equity Securities [Abstract] | ||||
Net unrealized investment gains (losses) | $ 13,643 | $ (62,131) | $ 38,430 | $ (102,998) |