Note 5 - Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Derivative Instruments, Gain (Loss) [Table Text Block]

	Three Months Ended March 31,
	2023			2022
Noncash derivative gain (loss), net	$	5,314		$	(41,633	)
Cash payments on settled derivatives, net		(2,194	)		(24,761	)
Derivative gain (loss), net	$	3,120		$	(66,394	)

Schedule of Price Risk Derivatives [Table Text Block]

	Remainder of 2023
	Second Quarter		Third Quarter		Fourth Quarter		Total
Crude Oil Price Swaps – WTI:
Volume (MBbls)		546.0		276.0		—		822.0
Price per Bbl	$	67.81	$	72.30	$	—	$	69.32
Deferred Premium Put Options – WTI:
Volume (MBbls)		364.0		644.0		920.0		1,928.0
Price per Bbl (Put Price)	$	61.05	$	60.46	$	55.97	$	58.43
Price per Bbl (Net of Premium)	$	56.05	$	55.46	$	50.97	$	53.43

	2024
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total
Deferred Premium Put Options – WTI:
Volume (MBbls)		455.0		455.0		460.0		—		1,370.0
Price per Bbl (Put Price)	$	51.50	$	51.50	$	51.50	$	—	$	51.50
Price per Bbl (Net of Premium)	$	46.50	$	46.50	$	46.50	$	—	$	46.50

Schedule of Derivative Assets and Liabilities By Counterparty [Table Text Block]

	As of March 31, 2023
Fifth Third Bank, National Association	$	(4,272	)
Bank of America, National Association		(4,359	)
Citizens Bank, National Association		(3,431	)
	$	(12,062	)