CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Operating activities:
Net income (loss)	$ 511,678	$ (3,953)
Adjustments to reconcile net income (loss) to net cash provided from operating activities:
Deferred income tax expense (benefit)	134,192	(26,501)
Depletion, depreciation and amortization	171,578	172,102
Abandonment and impairment of unproved properties	33,296	9,133
Derivative fair value (income) loss	(491,701)	1,178,979
Cash settlements on derivative financial instruments	111,054	(540,845)
Divestiture contract obligation, including accretion	60,774	46,861
Amortization of deferred financing costs and other	2,594	5,120
Deferred and stock-based compensation	41,403	78,155
Gain on the sale of assets	(244)	(413)
(Gain) loss on early extinguishment of debt	(439)	69,232
Changes in working capital:
Accounts receivable	317,981	(107,198)
Other current assets	(2,998)	(23,099)
Accounts payable	(76,143)	36,374
Accrued liabilities and other	(211,479)	(162,827)
Net cash provided from operating activities	601,546	731,120
Investing activities:
Additions to natural gas properties	(277,088)	(211,232)
Additions to field service assets	(87)	(381)
Acreage purchases	(19,572)	(19,445)
Proceeds from disposal of assets	771	380
Purchases of marketable securities held by the deferred compensation plan	(39,346)	(37,499)
Proceeds from the sales of marketable securities held by the deferred compensation plan	43,663	39,823
Net cash used in investing activities	(291,659)	(228,354)
Financing activities:
Borrowings on credit facility	185,000	648,000
Repayments on credit facility	(204,000)	(647,000)
Issuance of senior notes	0	500,000
Repayment of senior notes	(60,934)	(1,068,117)
Dividends paid	(38,640)	0
Treasury stock purchases	(9,663)	(132,894)
Debt issuance costs	0	(15,798)
Taxes paid for shares withheld	(39,150)	(25,491)
Change in cash overdrafts	(19,657)	3,815
Proceeds from the sales of common stock held by the deferred compensation plan	39,025	20,653
Net cash used in financing activities	(148,019)	(716,832)
Increase (decrease) in cash and cash equivalents	161,868	(214,066)
Cash and cash equivalents at beginning of period	207	214,422
Cash and cash equivalents at end of period	$ 162,075	$ 356