CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (602,126)	$ (134,340)
Adjustments to reconcile net loss to net cash provided by operating activities:
Deferred income taxes	(84,942)	(46,443)
Exploration	0	27
Gain on sale of assets	(93)	(16)
Depreciation, depletion and amortization	359,313	312,828
Loss on derivative financial instruments	756,026	71,978
Cash settlements of derivative financial instruments	(145,262)	132,725
Amortization of debt discount and issuance costs	17,587	24,231
Stock-based compensation	5,291	4,734
Loss on early retirement of debt	352,599	861
(Increase) decrease in accounts receivable	(97,379)	79,382
Decrease in other current assets	850	8,291
Increase (decrease) in accounts payable and accrued expenses	56,689	(64,303)
Net cash provided by operating activities	618,553	389,955
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(508,051)	(332,628)
Proceeds from sales of assets	261	283
Net cash used for investing activities	(507,790)	(332,345)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings on bank credit facility	275,000	157,000
Repayments on bank credit facility	(350,000)	(907,000)
Issuance of Senior Notes	(2,222,500)	(751,500)
Retirement of Senior Notes	(2,210,626)	0
Issuance of common stock	0	206,626
Redemption of Series A Preferred Stock	0	(210,000)
Preferred stock dividends paid	(13,089)	(21,180)
Debt and stock issuance costs	(35,567)	(24,128)
Income tax withholdings on equity awards	(1,412)	(692)
Net cash used for financing activities	(113,194)	(47,874)
Net increase (decrease) in cash and cash equivalents	(2,431)	9,736
Cash and cash equivalents, beginning of period	30,272	18,532
Cash and cash equivalents, end of period	$ 27,841	$ 28,268