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, 2022
Dec. 31, 2021
Dec. 31, 2020
Increase (Decrease) in Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Roll Forward]      
Beginning balance $ 364,203 $ 6,885 $ 53,171
Sales and transfers of gas and condensate produced, net of production costs (236,374) (39,806) (20,211)
Net changes in prices and production costs 503,099 110,850 (58,136)
Extensions, discoveries, additions and improved recovery, net of related costs 255,970 255,246 0
Development costs incurred 154,931 0 0
Revisions of estimated development costs (105,352) 10,643 0
Revisions of previous quantity estimates (143,398) 35,012 26,133
Accretion of discount 36,420 688 5,725
Net change in income taxes (127,154) (27,455) 4,077
Purchases of reserves in place 262,050 0 0
Sales of reserves in place 0 0 0
Changes in timing and other 71,909 12,140 (3,874)
Ending balance $ 1,036,304 $ 364,203 $ 6,885