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Other Receivables | 6 Months Ended
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Jun. 30, 2026
Receivables [Abstract] |
Other Receivables | Note 8—Other Receivables Other receivables as of December 31, 2025 and June 30, 2026 consisted of the following (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ ​ | June 30,
​ | ​ | 2025 | ​ ​ | 2026
Loans to customers to finance vehicle purchases | ​ | $ | 88 | ​ | $ | 73
Accrued customer billings | ​ |  | 3,165 | ​ |  | 6,283
Fuel tax credits | ​ | ​ | 1,026 | ​ | ​ | 1,026
Capital lease receivables | ​ | ​ | 1,020 | ​ | ​ | 1,140
Other | ​ |  | 894 | ​ |  | 1,673
Total other receivables | ​ | $ | 6,193 | ​ | $ | 10,195
​

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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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