Accrued expenses and other payables - Warranty (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Accrued expenses and other payables | ||||
| Balance at beginning of the period | $ 37,357 | $ 31,665 | $ 35,337 | $ 30,440 |
| Additions during the period | 4,828 | 4,996 | 9,278 | 8,859 |
| Settlement within the period | (2,621) | (3,606) | (5,101) | (6,193) |
| Foreign currency translation gain | 112 | (145) | 162 | (196) |
| Balance at end of the period | $ 39,676 | $ 32,910 | $ 39,676 | $ 32,910 |