DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Schedule of Gains (Losses) on Hedging Instruments (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedge (interest rate swap), net of tax	$ (2,285,000)	$ (1,399,000)	$ 0
Gains and losses from hedging instruments recognized in Accumulated other comprehensive income (loss)	(7,167,000)	(1,661,000)
Interest rate swap
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedge (interest rate swap), net of tax	(2,285,000)	(1,399,000)
Cross-currency swap
Derivative Instruments, Gain (Loss) [Line Items]
Net investment hedge (cross-currency swap), net of tax	$ (4,882,000)	$ (262,000)	$ 0