XML 110 R71.htm IDEA: XBRL DOCUMENT v3.23.1
ADVANCES FROM JOINT VENTURE PARTNERS - Disclosure of detailed information about joint operations (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Exploration And Evaluation Assets By Geography [Line Items]      
Advances from joint venture partners $ 1,703 $ 2,696 $ 1,228
U.S.A. [Member]      
Exploration And Evaluation Assets By Geography [Line Items]      
Advances from joint venture partners 1,670 2,168  
Sweden and Norway [Member]      
Exploration And Evaluation Assets By Geography [Line Items]      
Advances from joint venture partners $ 33 $ 528