XML 157 R128.htm IDEA: XBRL DOCUMENT v3.25.0.1
SUPPLEMENTAL GAS DATA (unaudited) - Change in Standardized Measure of Discounted Future Net Cash Flows (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Oil and Gas, Standardized Measure, Discounted Future Net Cash Flow [Roll Forward]      
Balance at Beginning of Period $ 3,110,035 $ 10,762,699 $ 5,881,576
Net Changes in Sales Prices and Production Costs (506,616) (10,722,238) 6,774,652
Sales Net of Production Costs (986,852) (992,030) (1,358,052)
Net Change Due to Revisions in Quantity Estimates (229,940) (155,807) (472,831)
Net Change Due to Extensions, Discoveries and Improved Recovery 197,972 32,876 1,853,496
Development Costs Incurred During the Period 500,402 637,711 526,092
Difference in Previously Estimated Development Costs Compared to Actual Costs Incurred During the Period (72,232) (149,770) (167,298)
Changes in Estimated Future Development Costs (183,359) (211,592) (257,458)
Net Change in Future Income Taxes 102,450 2,647,842 (1,539,146)
Accretion 395,680 1,403,417 766,899
Timing and Other 511,182 (143,073) (1,245,231)
Total Discounted Cash Flow at End of Period $ 2,838,722 $ 3,110,035 $ 10,762,699