Summary of Significant Accounting Policies - Additional Information (Details) $ in Thousands	9 Months Ended	12 Months Ended			36 Months Ended
	Sep. 30, 2023 reporting_unit	Dec. 31, 2023 USD ($) segment reporting_unit business_activity	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2023 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Number of operating segments | segment		1
Number of business activities | business_activity		1
Bad debt expense		$ 21,700	$ 17,000	$ 11,700
Uncollectible receivables written off		15,800	10,300	5,600
Capitalized additional costs associated with software		$ 21,300	10,000	6,200
Number of reporting units | reporting_unit	1	1
Goodwill impairment		$ 1,158,000	0	0	$ 1,158,000
Deferred revenue, revenue recognized		113,300	99,000	86,300
Contracted but not yet recognized		$ 25,100,000			$ 25,100,000
Revenue expected to recognize over next twelve months, percent		5.00%
Revenue recognized, term, existing deferred revenue		10 years
Power purchase or lease agreement term		22 years			22 years
Performance obligation guarantees, intervals in which systems are monitored to insure performance is met		2 years
Renewal term		5 years			5 years
Vivant | Common Stock
Summary Of Significant Accounting Policies [Line Items]
Business combination, consideration transferred		0.55
Solar energy systems and product sales
Summary Of Significant Accounting Policies [Line Items]
Costs		$ 1,019,638	1,178,548	$ 666,370
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		$ 561,600	$ 747,100
Minimum
Summary Of Significant Accounting Policies [Line Items]
Power purchase or lease agreement term		20 years			20 years
Maximum
Summary Of Significant Accounting Policies [Line Items]
Power purchase or lease agreement term		25 years			25 years
Solar energy systems
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life		35 years
Solar energy systems | Under Customer Agreements
Summary Of Significant Accounting Policies [Line Items]
Residential solar energy system, average age		5 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