RECENT ACCOUNTING PRONOUNCEMENTS (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Income tax expense	$ 1,817	$ (8)
Income tax expense recognized as an operating activity	0	(561)
Income tax expense recognized as a financing activity	0	(561)
Non-current deferred income tax liabilities	10,388		$ 9,513
ASU 2016-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Income tax expense	100
Income tax expense recognized as an operating activity	100
Income tax expense recognized as a financing activity	600	$ 100
ASU 2015-17 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Non-current deferred income tax liabilities	$ 9,500