XML 51 R37.htm IDEA: XBRL DOCUMENT v3.22.2
ASSET RETIREMENT OBLIGATIONS AND RESTRICTED CASH - Narrative (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Dec. 31, 2020
Schedule of Asset Retirement Obligations [Line Items]      
Asset retirement obligation $ 14,146 $ 13,687 $ 13,038
Minimum      
Schedule of Asset Retirement Obligations [Line Items]      
Risk Free Rate 9.50%    
Inflation rate 2.00%    
Maximum      
Schedule of Asset Retirement Obligations [Line Items]      
Risk Free Rate 11.67%    
Inflation rate 2.41%    
Canyon Project      
Schedule of Asset Retirement Obligations [Line Items]      
Asset retirement obligation $ 42,910 $ 41,340