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Intangible Assets, net - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (Years)		11 years 8 months
Assets Impaired	$ 8,500	$ 8,500
Accumulated Amortization	1,326	1,326
Net Book Value at September 30, 2019	9,244	9,244
Gross Carrying Amount at December 31, 2018			$ 19,070
Net Book Value at September 30, 2019	9,244	$ 9,244	18,068
Developed technology
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (Years)		13 years
Gross Carrying Amount at December 31, 2018			18,800
Assets Impaired		$ 8,500
Accumulated Amortization	1,056	1,056
Net Book Value at September 30, 2019	9,244	$ 9,244
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (Years)		1 year
Gross Carrying Amount at December 31, 2018			$ 270
Assets Impaired		$ 0
Accumulated Amortization	270	270
Net Book Value at September 30, 2019	$ 0	$ 0

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