DERIVATIVE INSTRUMENTS - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended		12 Months Ended
	May 31, 2020	Apr. 30, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Nov. 06, 2019	Aug. 31, 2019	Dec. 31, 2017
Derivative [Line Items]
Total interest rate costs expected to reclassify during next 12 months			$ 11,200
Interest Rate Cap | Interest expense
Derivative [Line Items]
Accumulated comprehensive loss reclassified			0	$ 125	$ (300)
Interest Rate Swap
Derivative [Line Items]
Notional amount of derivative							$ 925,000
Interest Rate Swap | Interest expense
Derivative [Line Items]
Accumulated comprehensive loss reclassified	$ 3,700		$ 12,799	$ 115	$ 0
Designated as Hedging Instrument | Senior Notes | First Lien Term Loan | Credit Agreements, Entered Into 2019 | Interest Rate Cap
Derivative [Line Items]
Notional amount of derivative								$ 250,000
Designated as Hedging Instrument | Senior Notes | Second Lien Term Loan | Credit Agreements, Entered Into 2019 | Interest Rate Swap
Derivative [Line Items]
Notional amount of derivative						$ 400,000
Not Designated as Hedging Instrument | Interest Rate Swap
Derivative [Line Items]
Notional amount of derivative							13,900
Cash Flow Hedging | Designated as Hedging Instrument | Interest Rate Cap
Derivative [Line Items]
Notional amount of derivative								$ 1,900
Proceeds from early termination of hedge		$ 1,700
Cash Flow Hedging | Designated as Hedging Instrument | Interest Rate Swap
Derivative [Line Items]
Notional amount of derivative							$ 911,100