v3.25.2
Property, plant and equipment, net - Additional information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Property, plant and equipment, net          
Depreciation $ 3.3 $ 4.3 $ 7.5 $ 9.0  
Pledged property, plant and equipment and land use rights with net book value $ 16.8   $ 16.8   $ 31.4