Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Cash Flows [Abstract]
Net income (loss)	$ (31,960)	$ (9,036)
Adjustments to net income (loss) to reconcile to net cash provided by operating activities:
Net change in fair value of unsettled commodity derivatives	406,461	150,606
Depreciation, depletion and amortization	151,055	146,763
Impairment of properties and equipment	943	190
Accretion of asset retirement obligations	2,987	3,128
Non-cash stock-based compensation	5,474	5,020
Loss (gain) on sale of properties and equipment	(125)	(212)
Amortization of debt discount and issuance costs	1,357	3,837
Deferred income taxes	3,600	0
Other	(905)	(305)
Changes in assets and liabilities	(49,839)	53,068
Net cash from operating activities	489,048	353,059
Cash flows from investing activities:
Capital expenditures for development of crude oil and natural gas properties	(187,021)	(109,048)
Capital expenditures for other properties and equipment	(67)	(69)
Proceeds from sale of properties and equipment	89	4,370
Proceeds from Divestiture of Businesses	465	0
Restricted Cash and Cash Equivalents	50,000
Net cash from investing activities	(236,534)	(104,747)
Cash flows from financing activities:
Proceeds from revolving credit facility	100,500	229,000
Repayment of revolving credit facility	(100,500)	(397,000)
Payments of Debt Issuance Costs	30	0
Purchase of treasury shares for employee stock-based compensation tax withholding obligations	(9,203)	(2,356)
Purchase of treasury shares under stock repurchase program	(80,853)	(21,067)
Dividends paid	(24,681)	0
Finance Lease, Principal Payments	(419)	(445)
Net cash from financing activities	(115,186)	(191,868)
Net change in cash, cash equivalents, and restricted cash	137,328	56,444
Cash, cash equivalents and restricted cash, beginning of period	33,829	2,623
Cash, cash equivalents and restricted cash, end of period	171,157	59,067
Restricted Cash and Cash Equivalents	50,000
Escrow Deposit Disbursements Related to Property Acquisition	$ (50,000)	$ 0