LEASES - Schedule of Lease Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Leases [Abstract]
Operating Rental expense	$ 37,229	$ 38,400	$ 37,100
Depreciation of finance leases	812
Interest on lease liabilities	498
Total finance lease cost	$ 1,310