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Stockholder's Equity - Amazon Warrant Activities (Details) - USD ($) |  |  | 3 Months Ended | 12 Months Ended | 48 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Jun. 14, 2021 | Apr. 16, 2021 | Jun. 30, 2021 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2024 | Apr. 15, 2021
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |
Contra revenue charge |  |  |  | $ 60,764,000 | $ 60,609,000 | $ 24,302,000 |  |
Amazon Warrant |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |
Aggregate number of warrant shares (in shares) | 5,625,959 | 53,141,755 |  |  |  |  |  |
Total discretionary fuel purchases |  | $ 500,000,000 |  |  |  |  |  |
Exercise price of the warrant (in dollars per share) | $ 13.49 | $ 13.49 |  |  |  |  |  |
Outstanding and unvested Beginning Balance |  |  |  | $ 37,613,035 |  |  |  |
Granted |  |  |  | 0 |  |  |  |
Vested |  |  |  | (7,640,152) |  |  |  |
Outstanding and unvested as of Ending Balance |  |  |  | $ 29,972,883 | 37,613,035 |  | $ 29,972,883 |
Number of warrants vested |  |  |  | 7,640,152 |  |  |  |
Exercise price premium (as a percent) |  | 21.30% |  |  |  |  |  |
Common stock price (in dollars per share) |  |  |  |  |  |  |  | $ 11.12
Aggregate number of warrant shares that may require stockholder approval (in shares) |  | 50,595,531 |  |  |  |  |  |
Notification period to waive or modify Beneficial Ownership Limitation |  | 61 days |  |  |  |  |  |
Contra revenue charge |  |  |  | $ 60,800,000 | 60,600,000 | 24,300,000 |  |
Customer incentive assets |  |  | $ 38,400,000 |  |  |  |  |
Amazon Warrant | Prepaid expenses and other current assets |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |
Customer incentive assets |  |  |  |  |  | 22,200,000 |  |
Amazon Warrant | Vesting over the first year |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |
Vested | (1,406,490) | (13,283,445) |  |  |  |  |  |
Number of warrants vested | 1,406,490 | 13,283,445 |  |  |  |  |  |
Contra revenue charge |  |  | $ 76,600,000 |  |  |  | $ 76,600,000 |
Amazon Warrant | Vesting over the second year |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |
Contra revenue charge |  |  |  | $ 7,000,000 | $ 7,000,000 | $ 7,000,000 |  |

X
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