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Supplemental Gas Data (unaudited) - Costs Incurred for Property Acquisition, Exploration and Development (Details) - USD ($)
$ in Thousands
12 Months Ended
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