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Supplemental Gas Data (unaudited) - Change in Standardized Measure of Discounted Future Net Cash Flows (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]      
Balance at Beginning of Period $ 5,881,576 $ 2,635,736 $ 3,070,469
Net Changes in Sales Prices and Production Costs 6,774,652 5,272,386 (695,216)
Sales Net of Production Costs (1,358,052) (1,220,971) (1,007,676)
Net Change Due to Revisions in Quantity Estimates (472,831) (334,660) 322,820
Net Change Due to Extensions, Discoveries and Improved Recovery 1,853,496 699,710 268,196
Development Costs Incurred During the Period 526,092 393,641 434,273
Difference in Previously Estimated Development Costs Compared to Actual Costs Incurred During the Period (167,298) (33,175) (129,642)
Changes in Estimated Future Development Costs (257,458) 31,406 (499,316)
Net Change in Future Income Taxes (1,539,146) (1,231,883) 138,404
Accretion 766,899 329,782 390,391
Timing and Other (1,245,231) (660,396) 343,033
Total Discounted Cash Flow at End of Period $ 10,762,699 $ 5,881,576 $ 2,635,736