Other operating income and expense (Details) - USD ($) $ in Thousands |
6 Months Ended | ||||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Analysis of income and expense [abstract] | |||||
| Sales of carbon credits | $ 4,349 | $ 17,621 | |||
| Transition services to Polestar Times Technology | 3,132 | 16,285 | |||
| Sales of plant operation services to a related party | 0 | 1,661 | |||
| Other operating income | 5,318 | 5,520 | |||
| Total other operating income | 12,799 | 41,087 | [1] | ||
| Restructuring costs | 44,247 | 13,629 | |||
| Property tax and other state and local tax expenses | 994 | 1,235 | |||
| Transition services to Polestar Times Technology | 0 | 947 | |||
| Other operating expenses | 5,297 | 4,522 | |||
| Total other operating expense | $ 50,538 | $ 20,333 | |||
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