Goodwill and Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 130,489	$ 128,702
Accumulated Amortization	(62,378)	(49,136)
Net Carrying Amount	68,111	79,566
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	21,938	19,378
Accumulated Amortization	(6,449)	(5,012)
Net Carrying Amount	15,489	14,366
Distribution agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,012	8,012
Accumulated Amortization	(6,537)	(5,766)
Net Carrying Amount	1,475	2,246
License agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	26,975	26,930
Accumulated Amortization	(12,226)	(7,411)
Net Carrying Amount	14,749	19,519
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	30,232	29,998
Accumulated Amortization	(8,743)	(6,586)
Net Carrying Amount	21,489	23,412
Covenants not to compete
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,029	1,028
Accumulated Amortization	(1,023)	(1,000)
Net Carrying Amount	6	28
Customer Lists
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	39,803	39,936
Accumulated Amortization	(27,400)	(23,361)
Net Carrying Amount	12,403	16,575
In-process technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,500	3,420
Accumulated Amortization	0	0
Net Carrying Amount	$ 2,500	$ 3,420