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ASSET RETIREMENT AND ENVIRONMENTAL OBLIGATIONS - Summary of Asset Retirement Obligation (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]        
Beginning balance   $ 5,475 $ 17,757 $ 25,646
Obligations settled   (144) (199)  
Accretion expense   976 1,876  
Additional ARO   0 213  
Revisions in estimated cash flows $ (13,100) (13,114) (9,779)  
Ending balance   $ 5,475 $ 17,757