DERIVATIVES AND HEDGING - Interest Rate Swaps (Details) - Interest rate swap, March 2022 expiration - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021
Notional Disclosures
Notional value of interest rate swaps that expired	$ 300.0
Collateral posted prior to expiration	0.0
Notional value dedesignated		$ 125.0
Fair value of derivative prior to dedesignation			$ 1.6
Derivatives Designated as Hedging Instruments
Notional Disclosures
Notional value of interest rate swaps that expired	$ 175.0