DISCONTINUED OPERATIONS - Schedule of Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net loss from discontinued operations	$ 0	$ (7,022)	$ 0	$ (10,370)
SeaSpine Inc. | Spinoff
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total revenue		33,461		65,775
Costs and expenses		43,852		80,618
Operating loss		(10,391)		(14,843)
Other income (expense), net		(45)		(766)
Loss from discontinued operations before tax		(10,436)		(15,609)
Benefit for income taxes		(3,414)		(5,239)
Net loss from discontinued operations		$ (7,022)		$ (10,370)