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LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES (Narrative) (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
USD ($)
loan
Mar. 31, 2022
USD ($)
Sep. 30, 2021
USD ($)
loan
Sep. 30, 2022
USD ($)
loan
Sep. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
loan
May 31, 2021
USD ($)
loan
Financing Receivable, Allowance for Credit Losses [Line Items]              
Troubled debt restructured loan $ 2,300,000     $ 2,300,000   $ 5,600,000  
Reserves relating to TDR 0     0   $ 0  
Payment of TDR loans 3,100,000            
Restructured loan balance in default status $ 0   $ 0 $ 0 $ 0    
Modified trouble debt, number of contracts | loan 0   0 0      
Credit quality indicators information       This analysis includes loans to commercial customers with an aggregate loan exposure greater than $500,000 and for lines of credit more than $50,000.      
Number of loans with insufficient collateral | loan           1  
Amount of loans with insufficient collateral requiring specific reserve           $ 2,000  
Amount of payoff of a special mention loan $ 3,100,000 $ 2,900,000          
Paycheck Protection Program [Member]              
Financing Receivable, Allowance for Credit Losses [Line Items]              
Number of Loans Funded under Paycheck Protection Program | loan 4     4   194 870
Amount of Loan Funded under Paycheck Protection Program $ 25,000     $ 25,000   $ 10,100,000 $ 51,000,000.0
Deferred fees of PPP loans       $ 3,000   485,000  
Home Equity Lines of Credit [Member]              
Financing Receivable, Allowance for Credit Losses [Line Items]              
Maximum loan-to-value ratio       90.00%      
Home Equity Installment Loan [Member]              
Financing Receivable, Allowance for Credit Losses [Line Items]              
Maximum loan-to-value ratio       80.00%      
Commercial Portfolio Segment [Member] | Commercial Loan [Member]              
Financing Receivable, Allowance for Credit Losses [Line Items]              
Maximum loan-to-value ratio       80.00%      
Consumer Portfolio Segment [Member] | Mortgage Loan [Member]              
Financing Receivable, Allowance for Credit Losses [Line Items]              
Maximum loan-to-value ratio       80.00%      
Loan balance in the process of foreclosure $ 0     $ 0   $ 85,000