Goodwill and Intangible Assets Intangibles Table (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 172,625	$ 46,925
Finite-Lived Intangible Assets, Accumulated Amortization	27,494	24,542
Finite-Lived Intangible Assets, Net	145,131	22,383
Indefinite-Lived Intangible Assets (Excluding Goodwill)	7,207
Intangible Assets, Gross (Excluding Goodwill)	179,832
INTANGIBLE ASSETS, net	$ 152,338	$ 22,383	[1]
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years	10 years
Finite-Lived Intangible Assets, Gross	$ 16,603	$ 14,423
Finite-Lived Intangible Assets, Accumulated Amortization	10,699	9,326
Finite-Lived Intangible Assets, Net	$ 5,904	$ 5,097
MCDA contract [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life		10 years
Finite-Lived Intangible Assets, Gross		$ 8,571
Finite-Lived Intangible Assets, Accumulated Amortization		8,571
Finite-Lived Intangible Assets, Net		$ 0
Customer Contracts [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years	9 years
Finite-Lived Intangible Assets, Gross	$ 11,406	$ 5,319
Finite-Lived Intangible Assets, Accumulated Amortization	4,797	4,512
Finite-Lived Intangible Assets, Net	$ 6,609	$ 807
Customer-Related Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	9 years	15 years
Finite-Lived Intangible Assets, Gross	$ 55,080	$ 7,080
Finite-Lived Intangible Assets, Accumulated Amortization	4,944	590
Finite-Lived Intangible Assets, Net	$ 50,136	$ 6,490
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	4 years	4 years
Finite-Lived Intangible Assets, Gross	$ 425	$ 425
Finite-Lived Intangible Assets, Accumulated Amortization	425	425
Finite-Lived Intangible Assets, Net	$ 0	$ 0
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	15 years	15 years
Finite-Lived Intangible Assets, Gross	$ 7,310	$ 7,310
Finite-Lived Intangible Assets, Accumulated Amortization	975	609
Finite-Lived Intangible Assets, Net	$ 6,335	$ 6,701
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	11 years	10 years
Finite-Lived Intangible Assets, Gross	$ 81,801	$ 3,797
Finite-Lived Intangible Assets, Accumulated Amortization	5,654	509
Finite-Lived Intangible Assets, Net	$ 76,147	$ 3,288

[1] December 31, 2016 balances were derived from audited consolidated financial statements.