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SECURITIES - Narrative (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2025
USD ($)
security
Dec. 31, 2024
USD ($)
SECURITIES    
Number of securities in an unrealized loss position for a period of twelve months or more | security 600  
Number of securities in an unrealized loss position for a period of less than twelve months | security 63  
Debt securities, available-for-sale, accrued interest $ 5,000,000.0 $ 5,100,000
Impairments of downward adjustments 200,000 200,000
Adjustment to carrying value of equity securities with no readily determinable fair value 200,000 200,000
Upward adjustment on equity securities with no readily determinable fair value $ 0 0
Municipal    
SECURITIES    
Percentage of securities with general obligation issue 72.00%  
Assets Pledged    
SECURITIES    
Carrying value of securities pledged to secure public and trust deposits $ 429,000,000.0 $ 468,800,000