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Supplemental Gas Data (unaudited) - Costs Incurred for Property Acquisition, Exploration and Development (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Property Acquisitions: |  |  |
Proved Properties | $ 2,319 | $ 19,766 | $ 32,355
Unproved Properties | 26,405 | 14,802 | 20,568
Development | 637,711 | 526,092 | 393,641
Exploration | 4,257 | 6,806 | 30,927
Total | 670,692 | 567,466 | 477,491
Midstream |  |  |
Property Acquisitions: |  |  |
Development | $ 47,000 | $ 38,000 | $ 35,000

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