Leases - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) ft²	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Total plant space (in square feet) | ft²	581,000
Rent expense	$ 16,000	$ 9,900
Product revenue	906,858	731,224	$ 724,788
Financing obligations, non-current	461,900	459,981
Managed Services | PPA Entities
Lessee, Lease, Description [Line Items]
Recognition of right-of-use assets and lease liabilities from sale and leaseback transactions	29,400
Product
Lessee, Lease, Description [Line Items]
Product revenue	663,512	518,633	557,336
Product | Managed Services | PPA Entities
Lessee, Lease, Description [Line Items]
Product revenue	35,100
Installation
Lessee, Lease, Description [Line Items]
Product revenue	96,059	$ 101,887	$ 60,826
Installation | Managed Services | PPA Entities
Lessee, Lease, Description [Line Items]
Product revenue	20,900
Financing Obligations | Managed Services | PPA Entities
Lessee, Lease, Description [Line Items]
Product revenue	$ 10,000
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	15 years