Restricted Cash - Restricted cash on the Company's consolidated balance sheets (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
Mar. 31, 2025 |
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|---|---|---|---|---|---|
| Restricted Cash and Cash Equivalent Item [Line Items] | |||||
| Restricted Cash, Noncurrent | $ 2,869 | $ 2,872 | $ 2,903 | ||
| Redwood City, CA lease [Member] | |||||
| Restricted Cash and Cash Equivalent Item [Line Items] | |||||
| Restricted Cash, Noncurrent | [1] | 2,306 | 2,306 | ||
| Boston, MA | |||||
| Restricted Cash and Cash Equivalent Item [Line Items] | |||||
| Restricted Cash, Noncurrent | 263 | 266 | |||
| Corporate credit card services | |||||
| Restricted Cash and Cash Equivalent Item [Line Items] | |||||
| Restricted Cash, Noncurrent | $ 300 | $ 300 | |||
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