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Property, Plant and Equipment - Components (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Abstract]
Intangible Drilling Cost	$ 5,668,046	$ 5,554,021
Gas Gathering Equipment	2,557,377	2,542,587
Gas Wells and Related Equipment	1,394,507	1,342,719
Proved Gas Properties	1,362,053	1,345,114
Unproved Gas Properties	726,114	734,890
Surface Land and Other Equipment	192,905	193,153
Other	198,210	195,214
Total Property, Plant and Equipment	12,099,212	11,907,698
Less: Accumulated Depreciation, Depletion and Amortization	4,913,268	4,811,189
Total Property, Plant and Equipment—Net	$ 7,185,944	$ 7,096,509

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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