Summary of Significant Accounting Policies - Schedule of Carrying Value and Accumulated Amortization of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets
Gross carrying amount	$ 99,857	$ 85,607
Accumulated amortization	40,531	33,735
Technologies
Finite-Lived Intangible Assets
Gross carrying amount	47,647	47,657
Accumulated amortization	21,882	18,970
Intellectual property
Finite-Lived Intangible Assets
Gross carrying amount	10,000	0
Accumulated amortization	333	0
Non-compete agreements
Finite-Lived Intangible Assets
Gross carrying amount	2,322	2,112
Accumulated amortization	1,923	1,670
Licenses
Finite-Lived Intangible Assets
Gross carrying amount	650	650
Accumulated amortization	475	458
Customer lists
Finite-Lived Intangible Assets
Gross carrying amount	8,023	4,923
Accumulated amortization	2,011	1,698
Customer relationships
Finite-Lived Intangible Assets
Gross carrying amount	21,620	20,790
Accumulated amortization	9,649	7,416
Trade names
Finite-Lived Intangible Assets
Gross carrying amount	9,595	9,475
Accumulated amortization	$ 4,258	$ 3,523