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SECURITIES - Additional Information (Details) - USD ($)
Mar. 31, 2023
Dec. 31, 2022
Apr. 01, 2022
Investments, Debt and Equity Securities [Abstract]      
Fair value of held-to-maturity securities transferred from available-for sale     $ 127,000,000
Unrealized loss of held-to-maturity securities transferred from available-for sale $ 22,400,000   24,400,000
Unrealized loss of held-to-maturity securities transferred from available-for sale, net of tax 17,700,000   $ 19,300,000
Available-for-sale Securities pledged as collateral 855,000,000 $ 298,200,000  
Allowance for credit losses 0 0  
Allowance for credit losses for held-to-maturity 0 0  
Accrued interest receivable on available-for-sale debt securities $ 7,600,000 $ 8,900,000