Goodwill and Intangible Assets Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets	$ 21,365	$ 21,365
Finite-Lived Intangible Assets, Accumulated Amortization	8,674	5,990
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets	18,851	18,851
Finite-Lived Intangible Assets, Accumulated Amortization	6,160	4,524
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets	2,413	2,413
Finite-Lived Intangible Assets, Accumulated Amortization	2,413	1,365
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets	101	101
Finite-Lived Intangible Assets, Accumulated Amortization	$ 101	$ 101