DERIVATIVE INSTRUMENTS - Amounts and Locations of Activity Related to Interest Rate Swaps Designated as Cash Flow Hedges within Corporation's Consolidated Balance Sheet and Statement of Income (Details) - Interest Rate Swaps - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Derivative [Line Items]
Interest rate contracts	$ (37)	$ 212
Interest expense – subordinated notes and debentures
Derivative [Line Items]
Other income	(45)	(67)
Other income
Derivative [Line Items]
Other income	0	$ 0
Accrued interest receivable (payable) and other assets ( liabilities)
Derivative [Line Items]
Accrued interest receivable (payable) and other assets ( liabilities)	$ 104		$ 150