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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of inventories | Inventories consisted of the following as of December 31, 2023 and 2024 (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, |  | December 31,
​ | ​ | 2023 | ​ | 2024
Raw materials and spare parts | ​ | $ | 45,335 | ​ | $ | 43,434
Total inventory | ​ | $ | 45,335 | ​ | $ | 43,434
​
Schedule of finite-lived intangible assets | The Company’s intangible assets as of December 31, 2023 and 2024 were as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2023 |  | 2024
Customer relationships | ​ | $ | 5,376 | ​ | $ | 5,376
Acquired contracts | ​ |  | 10,749 | ​ |  | 10,749
Trademark and trade names | ​ |  | 2,700 | ​ |  | 2,700
Non-compete agreements | ​ |  | 860 | ​ |  | 860
Total intangible assets | ​ |  | 19,685 | ​ |  | 19,685
Less accumulated amortization | ​ |  | (13,320) | ​ |  | (13,320)
Net intangible assets | ​ | $ | 6,365 | ​ | $ | 6,365
Schedule of goodwill | The following table summarizes the activity related to the carrying amount of goodwill (in thousands):
​ | ​ | ​ | ​
Balance as of December 31, 2022 | ​ | $ | 64,328
Balance as of December 31, 2023 | ​ | $ | 64,328
Balance as of December 31, 2024 | ​ | $ | 64,328

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