Goodwill and Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 77,387	$ 66,096
Accumulated Amortization	(30,048)	(26,603)
Net Carrying Amount	47,339	39,493
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	14,130	12,014
Accumulated Amortization	(3,165)	(2,595)
Net Carrying Amount	10,965	9,419
Distribution agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	6,626	5,626
Accumulated Amortization	(3,527)	(2,853)
Net Carrying Amount	3,099	2,773
License agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	20,695	19,109
Accumulated Amortization	(3,422)	(2,438)
Net Carrying Amount	17,273	16,671
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	12,380	7,259
Accumulated Amortization	(3,330)	(2,554)
Net Carrying Amount	9,050	4,705
Covenants not to compete
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,028	1,028
Accumulated Amortization	(936)	(873)
Net Carrying Amount	92	155
Customer lists
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	22,261	20,793
Accumulated Amortization	(15,401)	(15,023)
Net Carrying Amount	6,860	5,770
Royalty agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	267	267
Accumulated Amortization	(267)	(267)
Net Carrying Amount	$ 0	$ 0