Failed sale and leaseback arrangements - Sale leaseback arrangements (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Leases [Abstract] | ||||
| Interest on financial obligations | $ 5,644 | $ 6,636 | $ 11,899 | $ 13,271 |
| Depreciation on financed property, plant and equipment | 3,323 | 3,192 | 6,502 | 6,697 |
| Total expense associated with failed sale and leaseback arrangements | $ 8,967 | $ 9,828 | $ 18,401 | $ 19,968 |