Balance Sheet Components - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 922,619	$ 910,298
Less: accumulated depreciation	(323,182)	(309,670)
Property, plant and equipment, net	599,437	600,628
Energy Servers
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	672,667	669,422
Computers, software and hardware
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	20,206	20,432
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	109,177	106,644
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	8,495	8,455
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	38,019	37,497
Building
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	46,730	46,730
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 27,325	$ 21,118