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Other Receivables | 9 Months Ended
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Sep. 30, 2025
Receivables [Abstract] |
Other Receivables | Note 8—Other Receivables Other receivables as of December 31, 2024 and September 30, 2025 consisted of the following (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, |  | September 30,
​ | ​ | 2024 |  | 2025
Accrued customer billings | ​ |  | 1,929 | ​ |  | 5,229
Fuel tax credits | ​ |  | 10,751 | ​ |  | 800
Other | ​ |  | 1,950 | ​ |  | 1,851
Total other receivables | ​ | $ | 14,630 | ​ | $ | 7,880
​

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- Definition The entire disclosure for claims held for amounts due to entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/310-10/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 + Details
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