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ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Additional Information (Details)
12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
borrower
loan
Dec. 31, 2020
USD ($)
borrower
Financing Receivable, Allowance for Credit Loss [Line Items]      
Loan amount of credit quality analysis $ 250,000    
Loans modified In troubled debt restructured loans   $ 2,200,000  
Number of loans modified | loan   8  
Increase in allowance for loan loss   $ (423,000)  
Financing receivable, loan portfolio, deferrals, COVID-19   11,000 $ 100,700,000
Financing receivable, loan portfolio, deferrals, COVID-19, borrowers | borrower     49
Financing receivable, loan portfolio, deferrals, COVID-19, percentage of loan portfolio (as a percent)     2.20%
Financing receivable, loan portfolio, deferrals, COVID-19, period     90 days
Total commercial loans      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Financing receivable, loan portfolio, deferrals, COVID-19     $ 98,200,000
Financing receivable, loan portfolio, deferrals, COVID-19, borrowers | borrower     22
Financing receivable, loan portfolio, deferrals, COVID-19, percentage of loan portfolio (as a percent)     2.30%
Loans under second deferral action     $ 22,800,000
Loans under first deferral action     11,900,000
Loans under third deferral action     41,900,000
Loans under fourth deferral action     24,100,000
Total consumer loans      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Loans modified In troubled debt restructured loans   $ 5,800,000  
Financing receivable, loan portfolio, deferrals, COVID-19     $ 2,500,000
Financing receivable, loan portfolio, deferrals, COVID-19, borrowers | borrower   1 27
Financing receivable, loan portfolio, deferrals, COVID-19, percentage of loan portfolio (as a percent)     0.70%
PPP | Pass      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Loans receivable before allowance for credit loss $ 1,500,000 $ 26,200,000  
Commercial real estate      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Financing receivable, loan portfolio, deferrals, COVID-19, borrowers | borrower     2
Financing receivable loan portfolio deferrals covid19 loans under fourth deferral action, percentage     90.00%