Intangible Assets, Net - Cost and Accumulated Amortization (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets
Cost	$ 347,841	$ 302,463
Accumulated amortization	(97,514)	(76,910)
Total intangibles, net	250,327	225,553
Customer relationships and agreements
Finite-Lived Intangible Assets
Cost	151,540	134,999
Accumulated amortization	(57,326)	(45,418)
Total intangibles, net	94,214	89,581
Software
Finite-Lived Intangible Assets
Cost	92,821	62,147
Accumulated amortization	(18,222)	(14,053)
Total intangibles, net	74,599	48,094
Trademarks and trade names
Finite-Lived Intangible Assets
Cost	58,088	57,513
Accumulated amortization	(7,512)	(5,050)
Total intangibles, net	50,576	52,463
Patents, licenses and rights
Finite-Lived Intangible Assets
Cost	45,392	47,804
Accumulated amortization	(14,454)	(12,389)
Total intangibles, net	$ 30,938	$ 35,415