Summary of Significant Accounting Policies - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) business_activity reporting_unit segment shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jan. 01, 2020 USD ($)	Jan. 01, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Number of operating segments | segment	1
Number of business activities | business_activity	1
Bad debt expense	$ 11,700	$ 7,200	$ 3,400
Uncollectible receivables written off	5,600	5,400	2,000
Capitalized additional costs associated with software	$ 6,200	2,000	2,600
Number of reporting units | reporting_unit	1
Performance obligation guarantees, intervals in which systems are monitored to insure performance is met	2 years
Accumulated other comprehensive income	$ (73,050)	(106,755)
Retained earnings	$ (2,579)	76,844
Cumulative Effect, Period of Adoption, Adjustment
Summary Of Significant Accounting Policies [Line Items]
Accumulated other comprehensive income					$ (700)
Retained earnings				$ (1,200)	$ 700
Common Stock | Vivant
Summary Of Significant Accounting Policies [Line Items]
Business combination consideration transferred per share shares | shares	0.55
Solar energy systems
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	35 years
Inverters and batteries | Minimum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	10 years
Inverters and batteries | Maximum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	13 years
Software and software development costs
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	3 years
Solar energy systems and product sales
Summary Of Significant Accounting Policies [Line Items]
Costs	$ 666,370	357,876	$ 365,485
Solar energy systems and product sales | Cost of Goods and Service Benchmark | Supplier Concentration Risk | Top Five Suppliers
Summary Of Significant Accounting Policies [Line Items]
Costs	$ 627,700	$ 297,700