INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Income tax expense	$ (7,493)	$ (2,276)	$ (13,774)	$ (1,495)
U.S. federal statutory tax rate, percentage			35.00%
Effective income tax rate			17.30%	1.10%
Accounting Standards Update 2016-16
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative-effect adjustment due to adoption of ASU No. 2016-16					$ 14,365
Retained Earnings | Accounting Standards Update 2016-16
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative-effect adjustment due to adoption of ASU No. 2016-16					$ 14,365