CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 1,158,000	$ 201,000	$ 681,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	693,000	391,000	406,000
Deferred income tax expense	126,000	72,000	244,000
Loss on sale of assets	2,000	0	1,000
Exploratory dry hole cost	0	4,000	2,000
Loss (gain) on derivative instruments	221,000	(61,000)	(81,000)
Net cash (paid) received in settlement of derivative instruments	(431,000)	35,000	139,000
Earnings on equity method investments	0	0	(81,000)
Distribution of earnings from equity method investments	0	0	16,000
Amortization of premium and debt issuance costs	(10,000)	3,000	4,000
Stock-based compensation and other	52,000	40,000	30,000
Changes in assets and liabilities:
Accounts receivable, net	(229,000)	(6,000)	153,000
Income taxes	34,000	124,000	(14,000)
Inventories	5,000	(2,000)	(3,000)
Other current assets	(4,000)	0	0
Accounts payable and accrued liabilities	47,000	(30,000)	(30,000)
Interest payable	6,000	(2,000)	0
Other assets and liabilities	(3,000)	9,000	(22,000)
Net cash provided by operating activities	1,667,000	778,000	1,445,000
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(728,000)	(576,000)	(788,000)
Proceeds from sale of assets	8,000	1,000	3,000
Investment in equity method investments	0	0	(9,000)
Distribution of investment from equity method investments	0	0	2,000
Cash received from Merger	1,033,000	0	0
Proceeds from sale of equity method investments	0	(9,000)
Proceeds from sale of equity method investments			249,000
Net cash provided by (used in) investing activities	313,000	(584,000)	(543,000)
CASH FLOWS FROM FINANCING ACTIVITIES
Borrowings from debt	100,000	196,000	95,000
Repayments of debt	(288,000)	(283,000)	(102,000)
Repayment of finance leases	(2,000)	0	0
Treasury stock repurchases	0	0	(520,000)
Dividends paid	(780,000)	(159,000)	(146,000)
Tax withholding on vesting of stock awards	(114,000)	(10,000)	(11,000)
Capitalized debt issuance costs	(4,000)	0	(6,000)
Cash received for stock option exercises	2,000	0	0
Net cash used in financing activities	(1,086,000)	(256,000)	(690,000)
Net increase (decrease) in cash, cash equivalents and restricted cash	894,000	(62,000)	212,000
Cash, cash equivalents and restricted cash, beginning of period	152,000	214,000	2,000
Cash, cash equivalents and restricted cash, end of period	$ 1,046,000	$ 152,000	$ 214,000