Goodwill and Intangible Assets - Changes in the Carrying Amount of Intangible Assets (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets
Gross Carrying Amount	$ 156,867	$ 131,932
Accumulated Amortization	(20,190)	(14,993)
Net	136,677	116,939
Total Intangible Assets
Gross Carrying Amount	214,985	165,000
Accumulated Amortization	(20,190)	(14,993)
Intangible assets, net	194,795	150,007
Trade name
Indefinite-lived Intangible Assets
Gross Carrying Amount	$ 58,118	33,068
Technology and intellectual property
Finite-Lived Intangible Assets
Estimated Useful Life	15 years
Gross Carrying Amount	$ 76,588	70,703
Accumulated Amortization	(8,413)	(5,917)
Net	68,175	64,786
Total Intangible Assets
Accumulated Amortization	(8,413)	(5,917)
Customer relationships
Finite-Lived Intangible Assets
Gross Carrying Amount	80,279	61,229
Accumulated Amortization	(11,777)	(9,076)
Net	68,502	52,153
Total Intangible Assets
Accumulated Amortization	$ (11,777)	$ (9,076)
Customer relationships | Minimum
Finite-Lived Intangible Assets
Estimated Useful Life	13 years
Customer relationships | Maximum
Finite-Lived Intangible Assets
Estimated Useful Life	15 years