DERIVATIVES AND HEDGING ACTIVITIES - Cash Flow Hedges Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2023 USD ($) DerivativeInstrument	Sep. 30, 2023 USD ($) DerivativeInstrument	Dec. 31, 2022 USD ($)
DERIVATIVES AND HEDGING ACTIVITIES
Estimated reclassification as a decrease to interest expense during next twelve months	$ 7.2	$ 7.2
Number of derivatives terminated | DerivativeInstrument	0	0
Collateral from its third-party counterparties under the agreements in a net asset position	$ 18.0	$ 18.0
Collateral received against obligations in net asset position			$ 17.8