Equipment Related to Power Purchase Agreements and Fuel Delivered to Customers, net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Lessor, Lease, Description [Line Items]
Depreciation expense	$ 8.0	$ 6.9	$ 7.4
Impairment charge related to the tanks	$ 0.2	$ 1.5	10.2
Cost Of Revenue, Fuel Delivered To Customers
Lessor, Lease, Description [Line Items]
Termination costs			$ 17.0
Minimum
Lessor, Lease, Description [Line Items]
Lease term	1 year	1 year
Maximum
Lessor, Lease, Description [Line Items]
Lease term	10 years	10 years