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Balance Sheet Components - Property Plant and Equipment, Net (Additional Information) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019 USD ($) MW	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) MW	Sep. 30, 2018 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Property Subject to or Available for Operating Lease [Line Items]
Decrease in property plant and equipment			$ (20,400)
Depreciation and amortization			55,816	$ 32,141
Cost of revenue	$ 180,006	$ 166,805	557,067	428,610
Equity-method investments	5,834		5,834			$ 6,046
Property subject to operating lease
Property Subject to or Available for Operating Lease [Line Items]
Property, plant and equipment	397,500		397,500			397,500
Accumulated depreciation	96,500		96,500			77,400
Property, Plant and Equipment
Property Subject to or Available for Operating Lease [Line Items]
Depreciation and amortization	6,400	$ 6,400	19,100	$ 19,100
Energy Servers, Change In Useful Lives
Property Subject to or Available for Operating Lease [Line Items]
Cost of revenue	14,600		$ 22,700
Write Off Of Energy Servers
Property Subject to or Available for Operating Lease [Line Items]
Cost of revenue	$ 0
Energy Server repurchased \| MW	9		19
Diamond State Generation Partners, LLC
Property Subject to or Available for Operating Lease [Line Items]
Equity-method investments	$ 27,235		$ 27,235		$ 27,766	$ 0