CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating activities:
Net (loss) income	$ (456,808)	$ 27,151
Adjustments to reconcile net (loss) income to net cash provided from operating activities:
Deferred income tax (benefit) expense	(120,832)	2,521
Depletion, depreciation and amortization and impairment of proved properties	85,604	88,383
Abandonment and impairment of unproved properties	1,996	3,029
Derivative fair value loss	939,057	57,879
Cash settlements on derivative financial instruments	(133,135)	(39,395)
Divestiture contract obligation, including accretion, net of gain	10,954	12,995
Amortization of deferred financing costs and other	1,965	2,081
Deferred and stock-based compensation	86,113	30,054
(Gain) loss on the sale of assets	(331)	1,860
Loss on early extinguishment of debt	69,210	35
Changes in working capital:
Accounts receivable	58,674	33,146
Other current assets	(5,908)	122
Accounts payable	51,996	34,418
Accrued liabilities and other	(182,141)	(78,735)
Net cash provided from operating activities	406,414	109,252
Investing activities:
Additions to natural gas properties	(90,104)	(99,233)
Additions to field service assets	(37)	(487)
Acreage purchases	(12,599)	(11,849)
Proceeds from disposal of assets	349	8
Purchases of marketable securities held by the deferred compensation plan	(8,996)	(3,172)
Proceeds from the sales of marketable securities held by the deferred compensation plan	6,375	2,333
Net cash used in investing activities	(105,012)	(112,400)
Financing activities:
Borrowings on credit facilities	282,000	478,000
Repayments on credit facilities	(282,000)	(1,056,000)
Issuance of senior notes	500,000	600,000
Repayment of senior or senior subordinated notes	(850,000)
Treasury stock purchases	(16,199)
Debt issuance costs	(6,817)	(8,559)
Taxes paid for shares withheld	(24,995)	(9,097)
Change in cash overdrafts	(8,540)	(1,646)
Proceeds from the sales of common stock held by the deferred compensation plan	3,658	441
Net cash (used in) provided from financing activities	(402,893)	3,139
Decrease in cash and cash equivalents	(101,491)	(9)
Cash and cash equivalents at beginning of period	214,422	458
Cash and cash equivalents at end of period	$ 112,931	$ 449