Note 4 - Acquisitions and Dispositions (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

	October 13, 2022		Measurement Period Adjustment		October 13, 2022 (As Adjusted)
	(in thousands)
Purchase Consideration
Common stock issued to TransGlobe shareholders	$	274,145	$	—	$	274,145

	October 13, 2022			Measurement Period Adjustment			October 13, 2022
	(in thousands)
Assets acquired:
Cash	$	36,686		$	—		$	36,686
Wells, platforms and other production facilities		243,669			—			243,669
Equipment and other		2,099			—			2,099
Undeveloped acreage		30,216			—			30,216
Accounts receivable - trade		48,068			—			48,068
Accounts receivable - other		50,275			—			50,275
Accounts with joint venture owners		68			—			68
Right of use operating leases		1,609			—			1,609
Right of use financing leases		204			—			204
Prepayment and other		7,627			—			7,627
Liabilities assumed:								-
Asset retirement obligations		(6,134	)		—			(6,134	)
Accounts payable		(10,223	)		—			(10,223	)
Accrued liabilities and other		(50,128	)		—			(50,128	)
Operating lease liabilities - current portion		(961	)		—			(961	)
Financing lease liabilities - current portion		(125	)		—			(125	)
Operating lease liabilities - net of current portion		(688	)		—			(688	)
Financing lease liabilities - net of current portion		(21	)		—			(21	)
Deferred tax liabilities		(40,964	)		(1,412	)		(42,376	)
Other long-term liabilities		(26,313	)		—			(26,313	)
Bargain purchase gain		(10,819	)		1,412			(9,407	)
Total purchase price	$	274,145		$	—		$	274,145

Business Acquisition, Pro Forma Information [Table Text Block]

	Year Ended December 31, 2022			Measurement Period Adjustment			Year Ended December 31, 2022 (As Adjusted)			Year Ended December 31, 2021			Measurement Period Adjustment				Year Ended December 31, 2021 (As Adjusted)
				(in thousands)									(in thousands)
Pro forma (unaudited):
Crude oil, natural gas and natural gas liquids sales	$	547,670	(a)	$	—		$	547,670	(a)	$	367,210	(a)	$	—			$	367,210	(a)
Operating income	$	267,582	(b)	$	—		$	267,582	(c)	$	104,924	(c)	$	—			$	104,924	(c)
Net income	$	130,425	(d)	$	1,412	(g)	$	131,837	(d)	$	54,534	(e,f)	$	(1,412	)	(g)	$	53,122	(e,f)
Basic net income per share:	$	1.21		$	0.01	(g)	$	1.22		$	0.51		$	(0.02	)	(g)	$	0.49
Basic weighted average shares outstanding		108,206			108,206			108,206			107,537			107,537				107,537
Diluted net income per share:	$	1.20		$	0.01	(g)	$	1.21		$	0.50		$	(0.01	)	(g)	$	0.49
Diluted weighted average shares outstanding		108,642			108,642			108,642			108,062			108,062				108,062