Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended		12 Months Ended
	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 49,933	$ 6,438	$ 38,779	$ 50,257	$ 86,088	$ 120,862
Adjustments to reconcile net income to net cash provided by operations:
Provision for deferred income taxes					30,898	38,251
Loss on extinguishment of debt	0		27,300		0	27,300
Loss on derivative instruments, net	(32,334)		29,655		23,411	30,898
Cash paid on settlement of derivative instruments	(1,441)		(13,772)		(11,897)	(21,032)
Amortization of debt issuance costs					6,199	9,352
Amortization of discounts on long-term debt					7,385	12,660
Stock-based compensation expense					11,326	22,095
Accretion expense					722	360
Depletion, depreciation and amortization	136,578		117,420		395,121	291,562
Exploration and abandonment expense					386	3,747
Changes in operating assets and liabilities:
Accounts receivable					18,145	(29,385)
Prepaid expenses, inventory and other assets					(12,387)	(1,628)
Accounts payable, accrued liabilities and other current liabilities					(4,524)	16,700
Net cash provided by operating activities					550,873	521,742
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to crude oil and natural gas properties					(452,148)	(840,663)
Changes in working capital associated with crude oil and natural gas property additions					(13,214)	(86,468)
Acquisitions of crude oil and natural gas properties					(10,367)	(9,602)
Proceeds from sales of properties					118	0
Deposit and other costs related to pending acquisitions					0	(409)
Other property additions					(216)	(103)
Net cash used in investing activities					(475,827)	(937,245)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchased shares under buyback program					(27,247)	0
Dividends paid					(15,082)	(8,706)
Dividend equivalents paid					(1,602)	(903)
Debt issuance costs					(58)	(26,401)
Proceeds from exercises of warrants					1	1,728
Repayments of 10.000% Senior Notes and 10.625% Senior Notes					0	(475,000)
Proceeds from issuance of common stock					0	155,768
Stock offering costs					0	(5,371)
Premium on extinguishment of debt					0	(4,457)
Proceeds from exercises of stock options					0	148
Net cash (used in) provided by financing activities					(133,988)	536,806
Net (decrease) increase in cash and cash equivalents					(58,942)	121,303
Cash and cash equivalents, beginning of period		$ 194,515		$ 30,504	194,515	30,504	$ 30,504
Cash and cash equivalents, end of period	$ 135,573		$ 151,807		135,573	151,807	$ 194,515
Supplemental cash flow information:
Cash paid for interest					117,018	93,549
Cash paid for income taxes					0	0
Noncash Investing and Financing Items [Abstract]
Additions to asset retirement obligations					571	241
Term Loan Credit Agreement [Member]
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments under Term Loan Credit Agreement					(90,000)	0
Borrowings under Term Loan Credit Agreement					0	1,170,000
Senior Credit Facility Agreement Due 2026 [Member]
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments under Prior Credit Agreement					0	(525,000)
Borrowings under Prior Credit Agreement					$ 0	$ 255,000