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Intangible Assets, net - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Beginning balance		$ 18,068	$ 0
Assets Acquired Pursuant to Business Combination	$ 0	19,970
Impairment Charges	8,500	900
Amortization of intangible assets	1,398	1,002	0
Ending balance	9,046	18,068
Gross Carrying Amount	10,570	19,070
Accumulated Amortization	(1,524)	(1,002)
Developed technology
Finite-Lived Intangible Assets [Line Items]
Beginning balance		17,956	0
Assets Acquired Pursuant to Business Combination	0	18,800
Impairment Charges	8,500	0
Amortization of intangible assets	410	844
Ending balance	9,046	17,956
Gross Carrying Amount	10,300	18,800
Accumulated Amortization	(1,254)	(844)
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Beginning balance		112	0
Assets Acquired Pursuant to Business Combination	0	270
Impairment Charges	0	0
Amortization of intangible assets	112	158
Ending balance	0	112
Gross Carrying Amount	270	270
Accumulated Amortization	(270)	(158)
Trade name
Finite-Lived Intangible Assets [Line Items]
Beginning balance			$ 0
Assets Acquired Pursuant to Business Combination		900
Impairment Charges		900
Amortization of intangible assets		0
Ending balance		$ 0
us-gaap_DisclosureTotal
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 522

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