ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY INFORMATION - Schedule of Loans Identified as Troubled Debt Restructurings During Periods Indicated (Details)	3 Months Ended	9 Months Ended
	Sep. 30, 2022 USD ($) loan	Sep. 30, 2022 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans identified during the period	$ 5,495,000	$ 6,122,000
Increase in allowance for loan losses	100,000	300,000
Troubled debt restructurings charged off	$ 0	$ 0
TRD defaulted | loan	0	0
Commercial | Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans identified during the period	$ 157,000	$ 185,000
Commercial | Commercial mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans identified during the period	2,390,000	2,390,000
Commercial | Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans identified during the period	2,000,000	2,000,000
Residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans identified during the period	0	138,000
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans identified during the period	$ 948,000	$ 1,409,000