Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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Fair value portion of assets, excluding financial assets, that lack physical substance, having a limited useful life.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Business Combination - Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Jul. 12, 2017
Intangible Assets
Weighted Average Useful Life (in years)				15 years 4 months 24 days
Fair value	$ 251,060	$ 251,060		$ 251,060
Revenue		338,393	$ 186,373	766,035	$ 577,527
Net loss		(147,442)	(15,555)	(178,557)	(43,388)
ITPS
Intangible Assets
Revenue		260,019	$ 97,402	$ 525,557	$ 309,112
Customer relationships
Intangible Assets
Weighted Average Useful Life (in years)				16 years
Fair value	230,000	230,000		$ 230,000
Internally developed software
Intangible Assets
Weighted Average Useful Life (in years)				5 years
Fair value	1,710	1,710		$ 1,710
Non-compete agreements
Intangible Assets
Weighted Average Useful Life (in years)				1 year
Fair value	1,350	1,350		$ 1,350
Novitex \| ITPS
Intangible Assets
Amount of goodwill recorded with tax deductible						$ 14,000
Revenue	134,400
Net loss	5,000
Novitex \| Trademark and trade name
Intangible Assets
Weighted Average Useful Life (in years)				9 years 6 months
Fair value	$ 18,000	$ 18,000		$ 18,000