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SECURITIES - Additional Information (Details)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2024
USD ($)
security
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
security
Sep. 30, 2023
USD ($)
Dec. 31, 2022
USD ($)
security
Dec. 31, 2023
USD ($)
security
Debt and Equity Securities, FV-NI [Line Items]            
Number of securities transferred | security         74  
Transfer of debt securities, fair value         $ 213,700  
Net unrealized holding gain (loss)         $ 5,600  
Reclassification adjustment for net realized gains $ (2) $ 0 $ (2) $ 11    
Number of securities holdings | security 0   0     0
Shareholders equity, percentage 10.00%   10.00%     10.00%
Credit related impairment $ 0   $ 0     $ 0
Collateral Pledged            
Debt and Equity Securities, FV-NI [Line Items]            
Securities pledged to public deposits $ 452,700   $ 452,700     $ 489,000