Prepayment for land use right |
12 Months Ended |
|---|---|
Dec. 31, 2022 | |
| Payments to Acquire Property, Plant, and Equipment [Abstract] | |
| Prepayment for Land Use Right | 11. Prepayment for land use right In June 2022, the Company entered into an agreement with the local government to acquire a land use right and made prepayment of US$168.2 million as of December 31, 2022. In February 2023, the Company obtained the certificate of the land use right. |