Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, beginning balance	$ 186,814	$ 68,114
Accumulated Amortization	(39,881)	(37,088)
Accumulated Impairment Loss	(19,258)	(19,258)
Total	$ 127,675	$ 11,768
Trademarks
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)		15 years
Gross Carrying Amount, beginning balance		$ 7,100
Accumulated Amortization		(2,045)
Accumulated Impairment Loss		(4,179)
Total		$ 876
Existing technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)	10 years	13 years
Gross Carrying Amount, beginning balance	$ 99,600	$ 12,600
Accumulated Amortization	(5,936)	(5,831)
Accumulated Impairment Loss	(4,328)	(4,328)
Total	$ 89,336	$ 2,441
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)	11 years	11 years
Gross Carrying Amount, beginning balance	$ 55,000	$ 33,500
Accumulated Amortization	(19,348)	(18,405)
Accumulated Impairment Loss	(10,751)	(10,751)
Total	$ 24,901	$ 4,344
Reacquired rights
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)		3 years
Gross Carrying Amount, beginning balance		$ 7,500
Accumulated Amortization		(7,059)
Accumulated Impairment Loss		0
Total		$ 441
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)		8 years
Gross Carrying Amount, beginning balance		$ 6,796
Accumulated Amortization		(3,165)
Accumulated Impairment Loss		0
Total		$ 3,631
Other
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)	5 years	2 years
Gross Carrying Amount, beginning balance	$ 15,314	$ 618
Accumulated Amortization	(12,083)	(583)
Accumulated Impairment Loss	0	0
Total	$ 3,231	$ 35
Trademarks and Tradenames
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)	10 years
Gross Carrying Amount, beginning balance	$ 16,900
Accumulated Amortization	(2,514)
Accumulated Impairment Loss	(4,179)
Total	$ 10,207