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Capitalized Costs and Accumulated Depreciation, Depletion and Amortization | 3 Months Ended
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Mar. 31, 2024
Extractive Industries [Abstract] |
Capitalized Costs and Accumulated Depreciation, Depletion and Amortization | (7) Capitalized Costs and Accumulated Depreciation, Depletion and Amortization (a)
| March 31, 2024 |  |  | December 31, 2023 |
| (in thousands) |
Natural gas properties: |  |  |  |  |
Properties subject to depletion | $ | 10,592,394 |  |  | $ | 10,435,611 |
Unproved properties |  | 800,994 |  |  |  | 789,871 |
Total |  | 11,393,388 |  |  |  | 11,225,482 |
Accumulated depletion and depreciation |  | (5,193,291 | ) |  |  | (5,107,801 | )
Net capitalized costs | $ | 6,200,097 |  |  | $ | 6,117,681 |
(a) Includes capitalized asset retirement costs and the associated accumulated amortization.

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- Definition The entire disclosure for oil and gas producing industries. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 932 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//932/tableOfContent + Details
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