Goodwill and Intangible Assets - Changes in Intangibles (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Finite-lived Intangible Assets [Roll Forward]
Finite-lived intangible assets beginning balance			$ 44,645
Amortization of intangible assets			(2,032)	$ (2,260)
Finite-lived intangible assets ending balance	$ 35,329		35,329
Indefinite-lived Intangible Assets [Roll Forward]
Impairment charges	0	$ 0	8,373	$ 0
Product acquisition costs
Indefinite-lived Intangible Assets [Roll Forward]
Indefinite-lived intangible assets, beginning balance	9,372		13,103
Loss on impairment			(3,512)
Foreign currency translation	336		117
Indefinite-lived intangible assets, ending balance	9,708		9,708
Impairment charges, indefinite-lived			3,512
In process research and development ("IPR&D")
Indefinite-lived Intangible Assets [Roll Forward]
Indefinite-lived intangible assets, beginning balance	297		327
Foreign currency translation	91		61
Indefinite-lived intangible assets, ending balance	388		388
Trademarks and Technology
Finite-lived Intangible Assets [Roll Forward]
Finite-lived intangible assets beginning balance	23,111		29,058
Amortization of intangible assets	(574)		(1,766)
Loss on impairment			(4,861)
Foreign currency translation	859		965
Finite-lived intangible assets ending balance	23,396		23,396
Indefinite-lived Intangible Assets [Roll Forward]
Impairment charges, finite-lived			4,861
Customer relationships
Finite-lived Intangible Assets [Roll Forward]
Finite-lived intangible assets beginning balance	1,886		2,157
Amortization of intangible assets	(90)		(266)
Foreign currency translation	41		(54)
Finite-lived intangible assets ending balance	$ 1,837		$ 1,837