Note 5 - Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

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

	Three Months Ended March 31,
	2022			2021
Noncash derivative gain (loss), net	$	(41,633	)	$	—
Derivative settlements, net		(24,761	)		—
Derivative gain (loss), net	$	(66,394	)	$	—

Schedule of Price Risk Derivatives [Table Text Block]

		Remainder of 2022							2023
	Second		Third		Fourth				First		Second
								Total						Total
	Quarter		Quarter		Quarter				Quarter		Quarter
Crude Oil Price Swaps - WTI:
Volume (MBbls)		1,039.8		456.4		487.4		1,983.6		441.0		200.2		641.2
Price per Bbl	$	71.96	$	75.15	$	70.14	$	72.25	$	70.05	$	57.22	$	66.04

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

	As of March 31, 2022
Fifth Third Bank, National Association	$	(35,464	)
Bank of America, National Association		(11,765	)
Bank of Oklahoma, National Association		(7,939	)
Citizens Bank, National Association		(1,932	)
	$	(57,100	)