Business Combinations - Schedule of fair values of the assets acquired and liabilities assumed by major class (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Sep. 09, 2022	Dec. 31, 2021	May 17, 2021
Business Acquisition [Line Items]
Cash				$ 300
Accounts receivable	$ 10,995	$ 10,995
Prepaid expenses and other current assets	4,363	6,768
Property and equipment, net	404,217	406,298
Right-of-use asset	2,951	3,279
Goodwill	128,548	158,636	$ 0
Other assets	358	358
Accounts payable	(2,643)	(2,620)
Lease liability, non-current	(3,341)	$ (3,382)
World Energy Efficiency Services, LLC
Business Acquisition [Line Items]
Cash	308
Accounts receivable	3,585
Inventory, net	1,282
Prepaid expenses and other current assets	100
Property and equipment, net	173
Intangible assets, net	1,560
Right-of-use asset	145
Goodwill	8,117			$ 8,117
Other assets	12
Accounts payable	(1,096)
Lease liability, current	(56)
Accrued expenses and other current liabilities	(1,297)
Deferred revenue	(283)
Lease liability, non-current	(89)
Total purchase consideration	12,461
World Energy Efficiency Services, LLC | Customer Relationships
Business Acquisition [Line Items]
Intangible assets, net	$ 1,600