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SECURITIES - Narrative (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
security
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Investment Holdings [Line Items]      
Proceeds from sales of securities available for sale | $ $ 149,994 $ 0 $ 69,337
Corporate bonds      
Investment Holdings [Line Items]      
Available-for-sale, securities in unrealized loss positions 13    
Number of securities 15    
Debt securities, continuous unrealized loss position, qualitative disclosure, aggregate losses percentage 7.60%    
Other bonds and obligations      
Investment Holdings [Line Items]      
Available-for-sale, securities in unrealized loss positions 2    
Number of securities 3    
Debt securities, continuous unrealized loss position, qualitative disclosure, aggregate losses percentage 18.30%    
Municipal bonds and obligations      
Investment Holdings [Line Items]      
Available-for-sale, securities in unrealized loss positions 46    
Number of securities 94    
Debt securities, continuous unrealized loss position, qualitative disclosure, aggregate losses percentage 7.10%    
Number of HTM investment securities in unrealized loss positions 119    
Number of securities in the portfolio of HTM 190    
Aggregate unrealized losses as a percentage of the amortized cost of the securities in unrealized loss positions 12.60%    
Tax advantaged economic development bonds      
Investment Holdings [Line Items]      
Number of HTM investment securities in unrealized loss positions 2    
Number of securities in the portfolio of HTM 3    
Aggregate unrealized losses as a percentage of the amortized cost of the securities in unrealized loss positions 9.50%    
Agency commercial mortgage-backed securities      
Investment Holdings [Line Items]      
Available-for-sale, securities in unrealized loss positions 137    
Number of securities 139    
Debt securities, continuous unrealized loss position, qualitative disclosure, aggregate losses percentage 14.60%    
Number of HTM investment securities in unrealized loss positions 17    
Number of securities in the portfolio of HTM 17    
Aggregate unrealized losses as a percentage of the amortized cost of the securities in unrealized loss positions 17.40%    
Agency collateralized mortgage obligations      
Investment Holdings [Line Items]      
Available-for-sale, securities in unrealized loss positions 243    
Number of securities 245    
Debt securities, continuous unrealized loss position, qualitative disclosure, aggregate losses percentage 15.80%    
Number of HTM investment securities in unrealized loss positions 13    
Number of securities in the portfolio of HTM 13    
Aggregate unrealized losses as a percentage of the amortized cost of the securities in unrealized loss positions 15.90%    
Net unrealized holding (loss) on AFS securities      
Investment Holdings [Line Items]      
Other accumulated comprehensive (loss), before tax: | $ $ (236,887) (1,806)  
Income taxes related to items of accumulated other comprehensive (loss)/income: | $ 61,329 407  
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent, Before Reclassification      
Investment Holdings [Line Items]      
Other accumulated comprehensive (loss), before tax: | $ 238,000 4,200  
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent, Reclassification      
Investment Holdings [Line Items]      
Other accumulated comprehensive (loss), before tax: | $ $ 1,100 $ 2,400