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PROPERTY AND EQUIPMENT (Schedule of Asset Retirement Obligation) (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 4 Months Ended 5 Months Ended 9 Months Ended
Jun. 30, 2021
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
May 17, 2021
Sep. 30, 2020
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]            
Beginning balance $ 65,341 $ 19,347   $ 65,341 $ 63,566  
Beginning balance 19,084     19,084    
Liabilities incurred 37 19     546  
Accretion expense 226 488 $ 774 714 1,229 $ 2,270
Ending balance 19,347 $ 19,854   19,854 65,341  
Ending balance         19,084  
Fresh Start Adjustments            
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]            
Beginning balance $ (46,257)     $ (46,257)    
Ending balance         $ (46,257)