Balance Sheet Components - Property Plant and Equipment, Net (Additional Information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Property Subject to or Available for Operating Lease [Line Items]
Increase in construction In progress			$ 10,000
Depreciation and amortization			25,852	$ 37,034
Property, plant and equipment
Property Subject to or Available for Operating Lease [Line Items]
Depreciation and amortization	$ 12,800	$ 22,500	25,900	36,400
Property, plant and equipment | PPA Entities
Property Subject to or Available for Operating Lease [Line Items]
Depreciation and amortization	5,900	$ 6,400	12,100	$ 12,700
Energy Servers
Property Subject to or Available for Operating Lease [Line Items]
Increase in construction In progress			13,500
Plant expansion
Property Subject to or Available for Operating Lease [Line Items]
Increase in construction In progress			(3,500)
Property subject to operating lease | PPA Entities
Property Subject to or Available for Operating Lease [Line Items]
Property, plant and equipment	368,000		368,000		$ 371,400
Accumulated depreciation	$ 104,200		$ 104,200		$ 95,500