Annual report pursuant to Section 13 and 15(d)

SUPPLEMENTAL DISCLOSURES ABOUT NATURAL GAS PRODUCING ACTIVITIES - Changes in Standardized Measure of Discounted Future Net Cash Flows Related to Proved Natural Gas & Condensate Reserves (Details)

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SUPPLEMENTAL DISCLOSURES ABOUT NATURAL GAS PRODUCING ACTIVITIES - Changes in Standardized Measure of Discounted Future Net Cash Flows Related to Proved Natural Gas & Condensate Reserves (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Increase (Decrease) in Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Roll Forward]      
Beginning balance $ 1,036,304 $ 364,203 $ 6,885
Sales and transfers of gas and condensate produced, net of production costs (101,438) (236,374) (39,806)
Net changes in prices and production costs (660,129) 503,099 110,850
Extensions, discoveries, additions and improved recovery, net of related costs 1,227 255,970 255,246
Development costs incurred 75,788 154,931 0
Revisions of estimated development costs (88,121) (105,352) 10,643
Revisions of previous quantity estimates (331,376) (143,398) 35,012
Accretion of discount 63,350 36,420 688
Net change in income taxes 154,609 (127,154) (27,455)
Purchases of reserves in place 0 262,050 0
Sales of reserves in place (30,124) 0 0
Changes in timing and other 5,339 71,909 12,140
Ending balance $ 125,429 $ 1,036,304 $ 364,203