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Property, Plant and Equipment - Components (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
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Property, Plant and Equipment [Abstract] |  |
Intangible Drilling Cost | $ 5,988,091 | $ 5,902,498
Gas Gathering Equipment | 2,622,296 | 2,631,110
Gas Wells and Related Equipment | 1,553,256 | 1,513,945
Proved Gas Properties | 1,380,126 | 1,374,685
Unproved Gas Properties | 724,281 | 724,401
Surface Land and Other Equipment | 186,987 | 187,316
Other | 207,839 | 203,163
Total Property, Plant and Equipment | 12,662,876 | 12,537,118
Less: Accumulated Depreciation, Depletion and Amortization | 5,301,316 | 5,194,485
Total Property, Plant and Equipment—Net | $ 7,361,560 | $ 7,342,633

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