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v3.26.1

Cash, Cash Equivalents and Restricted Cash (Tables) | 6 Months Ended
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Jun. 30, 2026
Cash and Cash Equivalents [Abstract] |
Schedule of cash and cash equivalents | Cash, cash equivalents and restricted cash as of December 31, 2025 and June 30, 2026 consisted of the following (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | December 31, | ​ ​ ​ | June 30,
​ | ​ | 2025 | ​ | 2026
Current assets: |  | ​ | ​ |  | ​ | ​
Cash and cash equivalents | ​ | $ | 155,584 | ​ | $ | 56,981
Restricted cash - standby letter of credit | ​ |  | 2,172 | ​ |  | 2,172
Total cash, cash equivalents and current portion of restricted cash | ​ | $ | 157,756 | ​ | $ | 59,153
Schedule of components of restricted cash | Cash, cash equivalents and restricted cash as of December 31, 2025 and June 30, 2026 consisted of the following (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | December 31, | ​ ​ ​ | June 30,
​ | ​ | 2025 | ​ | 2026
Current assets: |  | ​ | ​ |  | ​ | ​
Cash and cash equivalents | ​ | $ | 155,584 | ​ | $ | 56,981
Restricted cash - standby letter of credit | ​ |  | 2,172 | ​ |  | 2,172
Total cash, cash equivalents and current portion of restricted cash | ​ | $ | 157,756 | ​ | $ | 59,153

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