LEASES (Components of Lease Expenses) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Lease, Cost [Line Items]
Total lease cost	$ 19,699	$ 18,201	$ 41,737	$ 34,915
Selling, general and administrative expenses
Lease, Cost [Line Items]
Operating lease cost	18,851	15,196	37,714	28,915
Variable lease cost	579	1,999	3,214	4,096
Short-term lease cost	$ 269	$ 1,006	$ 809	$ 1,904