LEASES (Components of Lease Expenses) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Lease, Cost [Line Items]
Total lease cost	$ 22,038	$ 16,714
Selling, general and administrative expenses
Lease, Cost [Line Items]
Operating lease cost	18,863	13,719
Variable lease cost	2,635	2,097
Short-term lease cost	$ 540	$ 898