Consolidated Statements 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 (loss)	$ 522,311	$ (724,320)	$ (56,672)
Adjustments to net income (loss) to reconcile to net cash provided by operating activities:
Net change in fair value of unsettled commodity derivatives	291,268	99,001	145,246
Depreciation, depletion and amortization	635,184	619,739	644,152
Impairment of properties and equipment	402	882,393	38,536
Accretion of asset retirement obligations	12,086	10,072	6,117
Non-cash stock-based compensation	23,023	22,200	23,837
Loss (gain) on sale of properties and equipment	912	724	(9,734)
Amortization and write-off of debt discount, premium and issuance costs	13,468	16,772	13,575
Gain (Loss) on Extinguishment of Debt	6,927	0	0
Deferred income taxes	26,383	(6,530)	(2,256)
Other	2,451	3,004	3,155
Accounts receivable	(153,717)	139,664	(88,304)
Other assets	24,678	(5,341)	(11,560)
Production tax liability	41,381	(50,803)	22,240
Accounts payable and accrued expenses	40,183	(66,183)	(29,578)
Funds held for distribution	108,729	(23,621)	(7,298)
Asset retirement obligations	(28,595)	(27,491)	(21,511)
Other liabilities	(17,454)	(17,753)	168,813
Net cash from operating activities	1,547,796	870,079	858,226
Cash flows from investing activities:
Capital expenditures for development of crude oil and natural gas properties	(583,108)	(550,964)	(855,908)
Payments to Acquire Other Property, Plant, and Equipment	894	1,634	20,839
Acquisition of crude oil and natural gas properties	0	(139,812)	(13,207)
Proceeds from sale of properties and equipment	5,073	1,641	2,105
Proceeds from divestitures	125	3,610	202,076
Restricted cash	0	0	8,001
Net cash from investing activities	(578,804)	(687,159)	(677,772)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from revolving credit facility and other borrowings	802,800	1,799,350	1,577,000
Repayment of revolving credit facility and other borrowings	(970,800)	(1,635,350)	(1,605,500)
Proceeds from senior notes	0	148,500	0
Payment of debt issuance costs	(13,066)	(6,538)	(72)
Purchase of treasury shares for employee stock-based compensation tax withholding obligations	(6,038)	(9,345)	(4,003)
Proceeds from (Repurchase of) Equity	(156,795)	(23,819)	(154,363)
Repayments of Convertible Debt	(200,000)	0	0
Redemption of senior notes	(308,584)	(452,153)	0
Finance Lease, Principal Payments	(1,688)	(1,905)	(1,952)
Payments of Dividends	(83,615)	0	0
Net cash from financing activities	(937,786)	(181,260)	(188,890)
Net change in cash and cash equivalents	31,206	1,660	(8,436)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 33,829	$ 2,623	$ 963