Note 5 - Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

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

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2022			2021			2022			2021
Noncash derivative gain (loss), net	$	25,191		$	(12,558	)	$	(16,442	)	$	(12,558	)
Derivative settlements, net		(37,082	)		(1,038	)		(61,843	)		(1,038	)
Derivative loss, net	$	(11,891	)	$	(13,596	)	$	(78,285	)	$	(13,596	)

Schedule of Price Risk Derivatives [Table Text Block]

	Remainder of 2022						2023
	Third		Fourth				First		Second
	Quarter		Quarter		Total		Quarter		Quarter		Total
Crude Oil Price Swaps - WTI:
Volume (MBbls)		980.8		1,011.8		1,992.6		441.0		200.2		641.2
Price per Bbl	$	88.97	$	86.13	$	87.53	$	70.05	$	57.22	$	66.04

	Remainder of 2022						2023
	Third		Fourth				First
	Quarter		Quarter		Total		Quarter		Total
Natural Gas Price Swaps - HH:
Volume (MMBtu)		460.0		460.0		920.0		450.0		450.0
Price per MMBtu	$	9.00	$	9.00	$	9.00	$	9.00	$	9.00

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

	As of June 30, 2022
Fifth Third Bank, National Association	$	(22,656	)
Bank of America, National Association		(9,643	)
Bank of Oklahoma, National Association		(3,668	)
Citizens Bank, National Association		4,058
	$	(31,909	)