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Derivative Instruments and Hedging Activities (Tables) | 3 Months Ended
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Mar. 31, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Summary of commodity derivative activity | Embedded derivatives as of December 31, 2024 consisted of the following (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gross Amounts | ​ | Net Amount
​ |  | Recognized |  | Presented
Assets: |  | ​ |  |  | ​ |
Fueling agreements: | ​ | ​ | ​ | ​ | ​ | ​
Prepaid expenses and other current assets | ​ | $ | 1,546 | ​ | $ | 1,546
Notes receivable and other long-term assets, net | ​ | ​ | 1,075 | ​ | ​ | 1,075
Total derivative assets | ​ | $ | 2,621 | ​ | $ | 2,621
​ Embedded derivatives as of March 31, 2025 consisted of the following (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gross Amounts | ​ | Net Amount
​ |  | Recognized |  | Presented
Assets: |  | ​ |  |  | ​ |
Fueling agreements: | ​ | ​ | ​ | ​ | ​ | ​
Prepaid expenses and other current assets | ​ | $ | 1,180 | ​ | $ | 1,180
Notes receivable and other long-term assets, net | ​ | ​ | 885 | ​ | ​ | 885
Total derivative assets | ​ | $ | 2,065 | ​ | $ | 2,065

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- Definition Tabular disclosure of derivative instrument not designated or qualifying as hedging instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 4CC -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4CC + Details
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