FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK - Summary of Commitment and Contingent Liabilities (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Loss Contingencies [Line Items]
Other Commitments			$ 112,410,000	$ 120,111,000
TOTAL			820,027,000	823,422,000
Minimum
Loss Contingencies [Line Items]
Loans and Leases Receivable, Commitments, Fixed Rates	$ 0.0545	$ 0.0325
Maximum
Loss Contingencies [Line Items]
Loans and Leases Receivable, Commitments, Fixed Rates	$ 0.0900	$ 0.0600
Home Equity
Loss Contingencies [Line Items]
TOTAL			91,218,000	92,346,000
Commercial Operating Lines
Loss Contingencies [Line Items]
TOTAL			616,399,000	610,965,000
Commercial letters of credit
Loss Contingencies [Line Items]
TOTAL			$ 7,834,000	$ 7,042,000