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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, 2024
Dec. 31, 2023
Dec. 31, 2022
Property Acquisitions:      
Proved Properties $ 10,362 $ 2,319 $ 19,766
Unproved Properties 15,061 26,405 14,802
Development 500,402 637,711 526,092
Exploration 4,494 4,257 6,806
Total 530,319 670,692 567,466
Midstream      
Property Acquisitions:      
Development $ 23,135 $ 46,814 $ 38,418