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Segment Reporting - Schedule of Other Segment Expense Items Included within Net Loss (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items] |  |  |  |
Impairment of right-of-use assets and property and equipment |  |  | $ 0 | $ 8,329
Stock-based compensation | $ 3,072 | $ 5,391 | 10,456 | 16,809
Depreciation and amortization expense |  |  | 836 | 4,059
Total other segment expenses | 3,375 | 5,377 | 11,950 | 31,238
Other Segment |  |  |  |
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items] |  |  |  |
Impairment of right-of-use assets and property and equipment | 0 | 0 | 0 | 8,329
Contract termination costs | 140 | 46 | 756 | 5,981
Stock-based compensation | 3,072 | 4,875 | 10,456 | 15,136
Depreciation and amortization expense | 163 | 456 | 738 | 1,792
Total other segment expenses | $ 3,375 | $ 5,377 | $ 11,950 | $ 31,238

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