DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Schedule of Gains (Losses) on Hedging Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Net investment hedge (cross-currency swap), net of tax	$ (1,514)	$ (2,911)	$ 2,905	$ (2,911)
Gains and losses from hedging instruments recognized in AOCI	(1,293)	(4,210)	19	(4,210)
Interest rate swap
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedge (interest rate swap), net of tax	221	(1,299)	(2,886)	(1,299)
Cross-currency swap
Derivative Instruments, Gain (Loss) [Line Items]
Net investment hedge (cross-currency swap), net of tax	$ (1,514)	$ (2,911)	$ 2,905	$ (2,911)