XML 169 R113.htm IDEA: XBRL DOCUMENT v3.22.1
Other (expense) income and finance costs - Additional information (Details) - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
May 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Disclosure of other income & finance costs [Line Items]      
Gain on disposal of mining licenses   $ 7,296 $ 0
Turkey      
Disclosure of other income & finance costs [Line Items]      
Gain on disposal of mining licenses $ 7,296    
Mining assets $ 0