Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 6,438	$ 50,257
Adjustments to reconcile net income to net cash provided by operations:
Provision for deferred income taxes	1,688	14,507
Loss (gain) on derivative instruments, net	53,043	(3,120)
Cash paid on settlement of derivative instruments	(5,148)	(2,194)
Amortization of debt issuance costs	2,053	2,668
Amortization of discounts on long-term debt	2,453	4,290
Stock-based compensation expense	3,798	4,054
Accretion expense	239	118
Depletion, depreciation and amortization	130,850	81,131
Exploration and abandonment expense	274	1,950
Changes in operating assets and liabilities:
Accounts receivable	(14,414)	15,617
Prepaid expenses, inventory and other assets	(4,722)	(2,567)
Accounts payable, accrued liabilities and other current liabilities	(5,113)	23,295
Net cash provided by operating activities	171,439	190,006
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to crude oil and natural gas properties	(147,698)	(379,103)
Changes in working capital associated with crude oil and natural gas property additions	1,705	65,062
Acquisitions of crude oil and natural gas properties	(2,171)	(5,463)
Other property additions	(59)	(18)
Net cash used in investing activities	(148,223)	(319,522)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchased shares under buyback program	(8,764)	0
Dividends paid	(5,050)	(2,776)
Dividend equivalents paid	(530)	(282)
Debt issuance costs	(7)	(544)
Proceeds from exercises of stock options	0	148
Proceeds from exercises of warrants	0	2
Net cash (used in) provided by financing activities	(44,351)	146,548
Net (decrease) increase in cash and cash equivalents	(21,135)	17,032
Cash and cash equivalents, beginning of period	194,515	30,504	$ 30,504
Cash and cash equivalents, end of period	173,380	47,536	$ 194,515
Supplemental cash flow information:
Cash paid for interest	39,678	18,078
Cash paid for income taxes	0	0
Supplemental disclosure of non-cash transactions:
Additions to asset retirement obligations	201	768
Term Loan Credit Agreement [Member]
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments under Term Loan Credit Agreement	(30,000)	0
Senior Credit Facility Agreement Due 2026 [Member]
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings under Prior Credit Agreement	$ 0	$ 150,000