FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2021 USD ($) numberOfFinancialInstrument	Dec. 31, 2020 USD ($)
Fair value of financial instruments [Abstract]
Number of financial instruments held for trading purposes | numberOfFinancialInstrument	0
Related rabbi trust assets	$ 5,714	$ 3,581
Cross-currency swap
Fair value of financial instruments [Abstract]
Derivative liabilities	3,930	6,793
Interest rate swap
Fair value of financial instruments [Abstract]
Derivative liabilities	3,732	4,865
Derivative liability
Fair value of financial instruments [Abstract]
Derivative liabilities	7,662	11,658
Money market funds | Level 1
Fair value of financial instruments [Abstract]
Cash and cash equivalents	$ 814	$ 817