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Asset Retirement Obligations - Summary of Asset Retirement Obligations (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Reconciliation of the beginning and ending asset retirement obligation    
Asset retirement obligations - beginning of period $ 17,067  
Accretion of discount 352  
Asset retirement obligations - end of period 17,419 $ 17,067
Less: current asset retirement obligations (55) (55)
Long-term portion of asset retirement obligations $ 17,364 $ 17,012