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Asset Retirement Obligations - Classification of Asset of Asset Retirement Obligations (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Asset Retirement Obligation Disclosure [Abstract]      
Balance at end of year $ 911,653 $ 971,893 $ 849,956
Current portion of liability at end of year (94,385) (132,117)  
Asset retirement obligations $ 817,268 $ 839,776