Goodwill and Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 107,337	$ 106,799
Accumulated Amortization	(59,025)	(56,943)
Net Carrying Amount	48,312	49,856
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	24,362	23,669
Accumulated Amortization	(6,929)	(6,460)
Net Carrying Amount	17,433	17,209
Distribution agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,250	3,250
Accumulated Amortization	(2,369)	(2,319)
Net Carrying Amount	881	931
License agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	14,418	14,453
Accumulated Amortization	(7,010)	(6,647)
Net Carrying Amount	7,408	7,806
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	30,255	30,273
Accumulated Amortization	(13,131)	(12,414)
Net Carrying Amount	17,124	17,859
Customer Lists
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	35,052	35,154
Accumulated Amortization	(29,586)	(29,103)
Net Carrying Amount	$ 5,466	$ 6,051