Goodwill and Intangible Assets - Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Aug. 21, 2012	Jan. 05, 2012	Dec. 20, 2013	Sep. 10, 2013
Other
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 53,616	$ 47,805
Accumulated Amortization	(22,480)	(18,870)
Net Carrying Amount	31,136	28,935
Patents
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	10,199	9,302
Accumulated Amortization	(2,196)	(2,374)
Net Carrying Amount	8,003	6,928
Distribution agreements
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	5,376	5,176
Accumulated Amortization	(2,285)	(1,780)
Net Carrying Amount	3,091	3,396	250	2,500
License agreements and trademarks
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	8,995	3,783			700	250
Accumulated Amortization	(1,823)	(1,249)
Net Carrying Amount	7,172	2,534
Trademarks
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	7,298	7,622
Accumulated Amortization	(2,079)	(1,844)
Net Carrying Amount	5,219	5,778
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,029	1,029
Accumulated Amortization	(636)	(399)
Net Carrying Amount	393	630
Customer lists
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	20,452	20,626
Accumulated Amortization	(13,194)	(10,957)
Net Carrying Amount	7,258	9,669		95
Royalty agreements
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	267	267
Accumulated Amortization	(267)	(267)
Net Carrying Amount	$ 0	$ 0