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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Narrative (Details)	Sep. 30, 2020 USD ($)
Derivative [Line Items]
Reclassified as an increase to interest expense over the next twelve months	$ 3,100,000
Interest Rate Swap
Derivative [Line Items]
Notional amount	400,000,000
Interest Rate Swap | Level Two
Derivative [Line Items]
Interest rate derivative - liability derivative	12,900,000
2020 Credit Agreement | Term Loan Facility
Derivative [Line Items]
Outstanding balance	395,300,000
Principal amount	$ 400,000,000
Fixed rate	0.904%

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Face (par) amount of debt instrument at time of issuance.

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