CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Operating Activities
Net income including noncontrolling interest	$ 89,418,000	$ 114,658,000
Adjustments to reconcile net income to net cash provided by continuing operations activities
Depreciation, depletion and amortization	194,160,000	211,134,000
Deferred income tax expense	16,343,000	19,478,000
Accretion of asset retirement obligations	14,045,000	12,774,000
Long-term non-cash compensation	9,905,000	9,851,000
Mark-to-market loss on derivative instruments	8,916,000	0
Amortization of undeveloped leases	1,654,000	2,793,000
Loss from discontinued operations	633,000	872,000
Unsuccessful exploration well costs and previously suspended exploration costs	190,000	32,437,000
Impairment of assets	0	34,528,000
Other operating activities, net	(11,799,000)	(15,381,000)
Net (increase) in non-cash working capital	(22,784,000)	(24,353,000)
Net cash provided by continuing operations activities	300,681,000	398,791,000
Investing Activities
Property additions and dry hole costs	(368,421,000)	(249,085,000)
Acquisition of oil and natural gas properties	(1,364,000)	0
Net cash required by investing activities	(369,785,000)	(249,085,000)
Financing Activities
Borrowings on revolving credit facility	250,000,000	100,000,000
Repayment of revolving credit facility	(50,000,000)	(100,000,000)
Repurchase of common stock	(100,072,000)	(50,000,000)
Cash dividends paid	(47,026,000)	(45,773,000)
Withholding tax on stock-based incentive awards	(7,673,000)	(25,270,000)
Distributions to noncontrolling interest	(6,955,000)	(23,001,000)
Finance lease obligation payments	(116,000)	(164,000)
Net cash provided (required) by financing activities	38,158,000	(144,208,000)
Effect of exchange rate changes on cash and cash equivalents	291,000	858,000
Net (decrease) increase in cash and cash equivalents	(30,655,000)	6,356,000
Cash and cash equivalents at beginning of period	423,569,000	317,074,000
Cash and cash equivalents at end of period	$ 392,914,000	$ 323,430,000