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INVESTMENT SECURITIES - Narrative (Details)
 12 Months Ended
Dec. 31, 2024
USD ($)
security
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Debt Securities, Available-for-sale [Line Items]      
Available-for-sale securities, accrued interest receivable $ 2,300,000 $ 2,400,000  
Held-to-maturity securities, accrued interest receivable $ 1,800,000 $ 1,900,000  
Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Other Other  
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Other Other  
Debt securities, available-for-sale, expected credit loss $ 0    
Debt securities, available-for-sale, allowance for credit loss 0    
Debt securities, held-to-maturity, expected credit loss 0    
Debt securities, held-to-maturity, allowance for credit loss $ 0    
Number of available-for-sale securities that have unrealized losses | security 237    
Number of held-to-maturity securities that have unrealized losses | security 156    
Debt securities, available-for-sale, decline due to credit quality $ 0    
Proceeds from the sale of investment securities 33,900,000 $ 0  
Gross realized losses on securities 1,800,000    
Allowance for credit loss 18,980,000 18,371,000 $ 16,128,000
Securities Investment      
Debt Securities, Available-for-sale [Line Items]      
Allowance for credit loss 0 0  
Asset Pledged as Collateral      
Debt Securities, Available-for-sale [Line Items]      
Investment securities pledged as collateral $ 451,500,000 $ 429,900,000