Note 5 - Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

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

				Three Months Ended September 30, 2020							Nine Months Ended September 30, 2020
	Three Months Ended September 30, 2021			August 22, 2020 through September 30, 2020		July 1, 2020 through August 21, 2020		Nine Months Ended September 30, 2021			August 22, 2020 through September 30, 2020		January 1, 2020 through August 21, 2020
	Successor			Successor		Predecessor		Successor			Successor		Predecessor
Noncash derivative gain (loss), net	$	(6,844	)	$	—	$	—	$	(19,402	)	$	—	$	—
Cash payments on settled derivatives, net		(3,976	)		—		—		(5,014	)		—		—
Derivative gain (loss), net	$	(10,820	)	$	—	$	—	$	(24,416	)	$	—	$	—

Schedule of Price Risk Derivatives [Table Text Block]

	2021		2022										2023
	Fourth Quarter		First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total		First Quarter		Second Quarter		Total
Crude Oil Price Swaps - WTI: (a)
Volume (MBbls)		460.0		450.0		302.5		66.0		202.4		1,020.9		198.0		200.2		398.2
Price per Bbl	$	61.91	$	61.91	$	62.16	$	57.22	$	57.22	$	60.75	$	57.22	$	57.22	$	57.22