CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021
Operating Activities
Net income (loss) including noncontrolling interest		$ 344,018	$ (293,864)
Adjustments to reconcile net income (loss) to net cash provided by continuing operations activities
Loss (income) from discontinued operations		1,494	(106)
Depreciation, depletion and amortization		359,980	425,566
Unsuccessful exploration well costs and previously suspended exploration costs		34,102	633
Amortization of undeveloped leases		7,980	8,882
Accretion of asset retirement obligations		23,439	22,656
Deferred income tax (benefit) expense		66,691	(101,195)
Mark to market loss on contingent consideration		129,818	76,677
Mark to market loss on crude contracts		100,343	284,360
Long-term non-cash compensation		40,467	25,318
Impairment of assets		0	171,296
(Gain) from sale of assets		(35)	0
Net (increase) decrease in noncash working capital		(121,598)	26,565
Other operating activities, net		(27,458)	39,494
Net cash provided by continuing operations activities		959,241	686,282
Investing Activities
Property additions and dry hole costs	[1]	(552,825)	(422,841)
Acquisition of oil and gas properties	[1]	(46,491)	(22,473)
Property additions for King's Quay FPS		0	(17,734)
Proceeds from sales of property, plant and equipment		47	269,363
Net cash (required) by investing activities		(599,269)	(193,685)
Financing Activities
Borrowings on revolving credit facility		100,000	165,000
Repayment of revolving credit facility		(100,000)	(365,000)
Retirement of debt		(200,000)	(576,358)
Debt issuance, net of cost		0	541,974
Early redemption of debt cost		(3,438)	(34,177)
Distributions to noncontrolling interest		(94,854)	(75,238)
Contingent consideration payment		(81,742)	0
Cash dividends paid		(50,491)	(38,590)
Withholding tax on stock-based incentive awards		(16,697)	(3,895)
Capital lease obligation payments		(320)	(371)
Net cash (required) by financing activities		(447,542)	(386,655)
Effect of exchange rate changes on cash and cash equivalents		(1,595)	1,552
Net (decrease) increase in cash and cash equivalents		(89,165)	107,494
Cash and cash equivalents at beginning of period		521,184	310,606
Cash and cash equivalents at end of period		$ 432,019	$ 418,100

[1] Certain prior-period amounts have been reclassified to conform to the current period presentation.