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SECURITIES - Narrative (Details)
$ in Thousands
3 Months Ended
Jan. 01, 2022
USD ($)
security
Mar. 31, 2022
USD ($)
security
Mar. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
security
Debt and Equity Securities, FV-NI [Line Items]        
Number of securities transferred | security 23      
Transfer of debt securities, fair value $ 101,100      
Net unrealized holding gain $ 373      
Reclassification adjustment for realized gains included in net income, tax   $ 137 $ 0  
Number of securities holdings | security   0   0
Shareholders equity, percentage   10.00%   10.00%
Collateral Pledged        
Debt and Equity Securities, FV-NI [Line Items]        
Securities pledged to public deposits   $ 601,500   $ 461,500