Segment Reporting - Additional Information (Details) - $ / gal |
3 Months Ended | |
|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
|
| Segment Reporting [Abstract] | ||
| Fixed margin | 5.0 | 4.5 |
| X | ||||||||||
- Definition Fixed margin. No definition available.
|
| X | ||||||||||
- References No definition available.
|