Goodwill and Intangible Assets Intangibles Table (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 173,517	$ 46,925
Finite-Lived Intangible Assets, Accumulated Amortization	19,382	24,542
Finite-Lived Intangible Assets, Net	154,135	22,383
Indefinite-Lived Intangible Assets (Excluding Goodwill)	5,000
Intangible Assets, Gross (Excluding Goodwill)	178,517
INTANGIBLE ASSETS, net	$ 159,135	$ 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	$ 14,910	$ 14,423
Finite-Lived Intangible Assets, Accumulated Amortization	9,589	9,326
Finite-Lived Intangible Assets, Net	$ 5,321	$ 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	9 years	9 years
Finite-Lived Intangible Assets, Gross	$ 5,995	$ 5,319
Finite-Lived Intangible Assets, Accumulated Amortization	4,607	4,512
Finite-Lived Intangible Assets, Net	$ 1,388	$ 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	$ 63,080	$ 7,080
Finite-Lived Intangible Assets, Accumulated Amortization	2,125	590
Finite-Lived Intangible Assets, Net	$ 60,955	$ 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	731	609
Finite-Lived Intangible Assets, Net	$ 6,579	$ 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	$ 81,797	$ 3,797
Finite-Lived Intangible Assets, Accumulated Amortization	1,905	509
Finite-Lived Intangible Assets, Net	$ 79,892	$ 3,288

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