Note 2 - Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Reportable Segments (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Total operating revenues		$ 257,448	$ 287,764
Total operating revenues		35,562	30,271
Production and ad valorem taxes		15,152	14,402
Depletion, depreciation and amortization		109,325	130,850
Income Tax Expense (Benefit)		9,939	2,297
Net income		36,335	6,438
Total assets		3,093,081		$ 3,063,288
Operating Segments [Member]
Total operating revenues		257,448	287,764
Total operating revenues		31,599	28,511
Production and ad valorem taxes		15,152	14,402
Expensed workover costs		3,963	1,760
Production and ad valorem taxes		50,714	44,673
Depletion, depreciation and amortization		109,325	130,850
General and administrative expenses, including stock-based comp		6,522	8,483
Interest expense, net		36,178	41,242
Income Tax Expense (Benefit)		9,939	2,297
Other segment items	[1]	8,435	53,781
General and administrative expenses, including stock-based comp		221,113	281,326
Net income		36,335	6,438
Total assets		3,093,081	3,054,692
Provision for income taxes		$ 182,488	$ 150,070

[1] Other segment items included in segment net income are exploration and abandonment expense, accretion of discount, other expense and gains and losses on derivative instruments.