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Property, Plant and Equipment - Components (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
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Property, Plant and Equipment [Abstract] |  |
Intangible Drilling Cost | $ 5,466,844 | $ 5,247,800
Gas Gathering Equipment | 2,527,166 | 2,483,561
Proved Gas Properties | 1,324,110 | 1,312,706
Gas Wells and Related Equipment | 1,296,217 | 1,202,731
Unproved Gas Properties | 742,419 | 730,400
Surface Land and Other Equipment | 193,286 | 194,655
Other | 188,266 | 190,249
Total Property, Plant and Equipment | 11,738,308 | 11,362,102
Less: Accumulated Depreciation, Depletion and Amortization | 4,704,665 | 4,372,619
Total Property, Plant and Equipment—Net | $ 7,033,643 | $ 6,989,483

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