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Stock-Based Compensation - Amazon Warrant (Details) - USD ($) |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jun. 14, 2021 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Apr. 16, 2021
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Contra revenue charge |  |  |  | $ 26,976,000 | $ 27,652,000 |
Amazon Warrant |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Aggregate number of warrant shares (in shares) |  |  |  |  |  | 53,141,755
Increase in the aggregate number of shares | 5,625,959 |  |  |  |  |
Total discretionary fuel purchases |  |  |  |  |  | $ 500,000,000.0
Exercise price of the warrant (in dollars per share) | $ 13.49 |  |  |  |  | $ 13.49
Outstanding and unvested Beginning Balance |  |  |  | $ 37,613,035 |  |
Granted |  |  |  | 0 |  |
Vested |  |  |  | (3,526,224) |  |
Outstanding and unvested as of Ending Balance |  | $ 34,086,811 |  | $ 34,086,811 |  |
Number of warrants vested |  |  |  | 3,526,224 |  |
Contra revenue charge |  | $ 14,100,000 | $ 13,900,000 | $ 27,000,000.0 | $ 27,700,000 |

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