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INVESTMENTS - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract]          
Interest receivable $ 2,700,000   $ 2,700,000   $ 2,500,000
Debt securities, available-for-sale, realized loss 0 $ 0 0 $ 0  
Debt securities, available-for-sale, realized gain 200,000 100,000 300,000 200,000  
Equity securities, available-for-sale, realized gain   $ 3,700,000      
Equity securities, available-for-sale, realized loss       $ 900,000  
HTM, allowance $ 0   $ 0