DERIVATIVES AND HEDGING ACTIVITIES - Cash Flow Hedges Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) DerivativeInstrument	Dec. 31, 2020 USD ($) DerivativeInstrument
Derivative Instruments, Gain (Loss) [Line Items]
Estimated reclassification as an increase to interest expense during next twelve months	$ 57
Number of derivatives terminated | DerivativeInstrument	34	6
Termination value of derivatives	$ 785,000	$ 95,000
Non-interest income
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on termination of derivatives	$ (16,500)	$ (6,600)
Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Number of derivatives terminated | DerivativeInstrument		2
Termination value of derivatives		$ 30,000
Gain (loss) on termination of derivatives		$ 175