BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Accounting Policies [Abstract]
Operating lease right-of-use assets	$ 132,940	$ 132,940	$ 144,000	$ 0
Short-term lease expense	119	765
Operating lease liabilities	$ 133,257	$ 133,257	$ 144,000	$ 0