BUSINESS HELD FOR SALE DISCONTINUED OPERATIONS AND DISPOSITIONS Cashflow of Disposal Group (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment of Commercial Cyber Solutions goodwill			$ 6,980	$ 0
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax			(3,568)	0
Proceeds from sale of assets			16,226	0
Commercial Cyber Solutions
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment of Commercial Cyber Solutions goodwill					$ 8,000
Hexis | Commercial Cyber Solutions | Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Depreciation and amortization expense			1,016	5,546
Impairment of Commercial Cyber Solutions goodwill	$ 0	$ 0	6,980	0
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax			3,568	0
Discontinued Operation, Provision for Loss (Gain) on Disposal, before Income Tax			2,300
Purchases of property and equipment			(471)	718
Proceeds from sale of assets			$ 5,000	$ 0