Goodwill and Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 106,314	$ 106,799
Accumulated Amortization	(60,993)	(56,943)
Net Carrying Amount	45,321	49,856
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	25,036	23,669
Accumulated Amortization	(7,358)	(6,460)
Net Carrying Amount	17,678	17,209
Distribution agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,250	3,250
Accumulated Amortization	(2,419)	(2,319)
Net Carrying Amount	831	931
License agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	12,710	14,453
Accumulated Amortization	(7,198)	(6,647)
Net Carrying Amount	5,512	7,806
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	30,260	30,273
Accumulated Amortization	(13,865)	(12,414)
Net Carrying Amount	16,395	17,859
Customer Lists
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	35,058	35,154
Accumulated Amortization	(30,153)	(29,103)
Net Carrying Amount	$ 4,905	$ 6,051