v3.22.0.1
Employee benefit expenses and other operating income and expenses (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Employee benefit expenses [Abstract]      
Employee benefits expense $ 78,758 $ 54,464 $ 32,246
Average monthly number of employees 655 441 306
Other operating income [Abstract]      
Grants $ 60,746 $ 59,010 $ 59,142
Insurance proceeds and other 13,925 40,515 34,632
Total 74,670 99,525 93,774
Other operating expenses [Abstract]      
Raw materials and consumables used (70,690) (7,792) (9,719)
Leases and fees (9,332) (2,531) (1,850)
Operation and maintenance (154,007) (110,873) (116,018)
Independent professional services (39,177) (40,193) (41,579)
Supplies (40,790) (27,926) (25,823)
Insurance (45,429) (37,638) (23,971)
Levies and duties (29,949) (39,820) (34,844)
Other expenses (24,957) (9,891) (7,971)
Total $ (414,330) $ (276,666) $ (261,776)