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INVESTMENT SECURITIES - Narrative (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
security
branch
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Debt Securities, Available-for-sale [Line Items]        
Allowance for Credit Losses $ 75 $ 0 $ 112 $ 0
Unrealized losses 59,134 195    
Expected credit losses 0 0    
Debt securities, held-to-maturity, allowance for credit loss $ 0 0    
Debt Securities        
Debt Securities, Available-for-sale [Line Items]        
Number of securities in portfolio | security 447      
Number of securities in unrealized loss position | security 433      
Number of securities in security portfolio | security 25      
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises        
Debt Securities, Available-for-sale [Line Items]        
Number of securities in unrealized loss position | security 337      
Number of securities in unrealized loss position | branch 19      
SBA pool securities        
Debt Securities, Available-for-sale [Line Items]        
Number of securities in unrealized loss position | security 33      
Allowance for Credit Losses $ 0 0    
Unrealized losses $ 2,027 69    
State, County And Municipal Securities        
Debt Securities, Available-for-sale [Line Items]        
Number of securities in unrealized loss position | security 29      
Corporate debt securities        
Debt Securities, Available-for-sale [Line Items]        
Number of securities in unrealized loss position | security 6      
Allowance for Credit Losses $ 75 0    
Unrealized losses $ 396 120    
U.S. Treasuries        
Debt Securities, Available-for-sale [Line Items]        
Number of securities in unrealized loss position | security 27      
U.S. Government Sponsored Agency Security        
Debt Securities, Available-for-sale [Line Items]        
Number of securities in unrealized loss position | security 1      
State, county and municipal securities        
Debt Securities, Available-for-sale [Line Items]        
Number of securities in unrealized loss position | branch 6      
Allowance for Credit Losses $ 0 0    
Unrealized losses 1,180 0    
Collateral Pledged        
Debt Securities, Available-for-sale [Line Items]        
Pledged securities, carrying value $ 861,600 $ 366,700