CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating activities:
Net income	$ 871,142,000	$ 1,183,370,000	$ 411,778,000
Adjustments to reconcile net income to net cash provided from operating activities:
Deferred income tax expense (benefit)	227,654,000	215,772,000	(17,727,000)
Depletion, depreciation and amortization and impairment of proved properties	350,165,000	353,420,000	364,555,000
Abandonment and impairment of unproved properties	46,359,000	28,608,000	7,206,000
Derivative fair value (income) loss	(821,154,000)	1,188,506,000	650,216,000
Cash settlements on derivative financial instruments	253,514,000	(1,190,154,000)	(520,013,000)
Divestiture contract obligation	99,595,000	69,766,000	20,340,000
Allowance for bad debt	0	(250,000)	200,000
Amortization of deferred financing costs and other	4,735,000	7,959,000	8,347,000
Deferred and stock-based compensation	67,849,000	107,959,000	110,356,000
Gain on the sale of assets	(454,000)	(409,000)	(701,000)
(Gain) loss on early extinguishment of debt	(438,000)	69,493,000	98,000
Changes in working capital:
Accounts receivable	223,081,000	(3,286,000)	(250,538,000)
Prepaid and other	(1,285,000)	(18,438,000)	(1,140,000)
Accounts payable	(77,057,000)	17,077,000	39,231,000
Accrued liabilities and other	(265,814,000)	(164,649,000)	(29,260,000)
Net cash provided from operating activities	977,892,000	1,864,744,000	792,948,000
Investing activities:
Additions to natural gas and oil properties	(571,819,000)	(456,505,000)	(393,478,000)
Additions to field service assets	(701,000)	(682,000)	(1,231,000)
Acreage purchases	(34,410,000)	(30,885,000)	(23,962,000)
Proceeds from disposal of assets	872,000	518,000	303,000
Purchases of marketable securities held by the deferred compensation plan	(45,168,000)	(43,691,000)	(30,806,000)
Proceeds from the sales of marketable securities held by the deferred compensation plan	49,521,000	41,413,000	31,295,000
Net cash used in investing activities	(601,705,000)	(489,832,000)	(417,879,000)
Financing activities:
Borrowings on credit facilities	185,000,000	972,000,000	1,434,000,000
Repayments on credit facilities	(204,000,000)	(953,000,000)	(2,136,000,000)
Issuance of senior notes	0	500,000,000	600,000,000
Repayment of senior or senior subordinated notes	(60,934,000)	(1,659,422,000)	(63,324,000)
Dividends paid	(77,241,000)	(38,638,000)	0
Treasury stock purchases	(19,042,000)	(399,699,000)	0
Debt issuance costs	0	(16,176,000)	(8,854,000)
Taxes paid for shares withheld	(39,481,000)	(25,492,000)	(9,299,000)
Change in cash overdrafts	(23,923,000)	9,071,000	16,493,000
Proceeds from the sales of common stock held by the deferred compensation plan	75,201,000	22,229,000	5,879,000
Net cash used in financing activities	(164,420,000)	(1,589,127,000)	(161,105,000)
Increase (decrease) in cash and cash equivalents	211,767,000	(214,215,000)	213,964,000
Cash and cash equivalents at beginning of year	207,000	214,422,000	458,000
Cash and cash equivalents at end of year	$ 211,974,000	$ 207,000	$ 214,422,000