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SECURITIES - Unrealized and Realized Gain (Loss) Recognized in Net Income on Equity Investments (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Gain (Loss) on Securities [Line Items] |  |  |
Net gains (losses) recognized during the period on equity investments | $ 5,131 | $ (685) | $ (174)
Less: Net gains recognized during the period on equity investments sold during the period | 5,058 | 0 | 0
Unrealized gains (losses) recognized during the reporting period on equity investments still held at the reporting date | $ 73 | $ (685) | $ (174)

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