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Stock-Based Compensation - Amazon Warrant (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Jun. 14, 2021	Apr. 16, 2021
Stock-Based Compensation
Contra revenue charge			$ 51,510,000	$ 42,742,000
Amazon Warrant
Stock-Based Compensation
Aggregate number of warrant shares (in shares)					5,625,959	53,141,755
Exercise price of the warrant (in dollars per share)					$ 13.49	$ 13.49
Total discretionary fuel purchases						$ 500,000,000
Outstanding and unvested Beginning Balance			$ 29,972,883
Granted			0
Vested			(7,052,448)
Outstanding and unvested as of Ending Balance	$ 22,920,435		$ 22,920,435
Number of warrants vested			7,052,448
Contra revenue charge	$ 16,800,000	$ 15,800,000	$ 51,500,000	$ 42,700,000

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