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Asset Retirement Obligations - Classification of Asset of Asset Retirement Obligations (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Sep. 30, 2022
Dec. 31, 2021
Asset Retirement Obligation Disclosure [Abstract]        
Balance at end of period $ 871,788 $ 911,653 $ 945,544 $ 971,893
Current portion of liability (12,665)   (96,937)  
Noncurrent portion of liability $ 859,123 $ 817,268 $ 848,607