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PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
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Property, Plant and Equipment [Abstract] |  |
Intangible Drilling Cost | $ 6,850,393 | $ 6,755,849
Gas Gathering Equipment | 2,777,947 | 2,771,747
Gas Wells and Related Equipment | 1,867,149 | 1,833,856
Proved Gas Properties | 1,459,993 | 1,457,919
Unproved Gas Properties | 775,900 | 747,528
Surface Land and Other Equipment | 179,294 | 179,676
Other | 312,041 | 310,649
Total Property, Plant and Equipment | 14,222,717 | 14,057,224
Less: Accumulated Depreciation, Depletion and Amortization | 6,310,588 | 6,193,871
Total Property, Plant and Equipment—Net | $ 7,912,129 | $ 7,863,353

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- Definition Amount, before accumulated depreciation, depletion, amortization, and valuation allowance, of capitalized cost for well and related equipment and facility in oil- and gas-producing activities. Includes, but is not limited to, cost incurred to drill and equip exploratory well and exploratory-type stratigraphic test well that has found proved reserve and cost incurred to obtain access to proved reserve and provide facility for extracting, treating, gathering, and storing oil and gas, including the drilling and equipping of development well, development-type stratigraphic test well, and service well. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 932 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477215/932-235-50-15 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 932 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477215/932-235-50-15 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 932 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477215/932-235-50-13 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 932 -SubTopic 360 -Name Accounting Standards Codification -Section 25 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478083/932-360-25-4 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(8)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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- Definition Amount, before accumulated depreciation, depletion, amortization, and impairment, of oil and gas properties with proved reserve accounted for under successful efforts method. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 932 -SubTopic 360 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478810/932-360-50-1 + Details
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