Balance Sheet Components - Additional Information (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
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|---|---|---|---|---|
| Inventory [Line Items] | ||||
| Raw materials | $ 70,436 | $ 72,516 | ||
| Work in progress | 41,363 | 12,875 | ||
| Prepaid inventory | [1] | 39,560 | 856 | |
| Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedLiabilitiesAndOtherLiabilities | ||||
| Inventory [Line Items] | ||||
| Reciprocal accrual - nonmonetary transactions | 40,800 | 1,000 | ||
| Location, Statement of Financial Position, Balance [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent | ||||
| Inventory [Line Items] | ||||
| Prepaid inventory | 39,600 | 900 | ||
| Consigned Inventories | ||||
| Inventory [Line Items] | ||||
| Raw materials | 7,600 | 1,200 | ||
| Work in progress | $ 28,000 | $ 12,000 | ||
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