ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY INFORMATION - Schedule of Loans Identified as Troubled Debt Restructurings During Periods Indicated (Details)	3 Months Ended
	Mar. 31, 2022 USD ($) loan	Mar. 31, 2021 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans identified during the period	$ 256,000	$ 997,000
Increase in allowance for loan losses (less than)	100,000	100,000
Troubled debt restructurings charged off	$ 0	$ 0
TRD defaulted | loan	0	0
Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans identified during the period	$ (8,000)
Residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans identified during the period	6,000	$ 167,000
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total loans identified during the period	$ 258,000	$ 830,000