Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2021

Fair Value Disclosures [Abstract]

Fair value hierarchy of financial assets and liabilities

The following table sets forth, by level within the fair value hierarchy, our financial assets and liabilities that were accounted for at fair value on a recurring basis as of December 31, 2021 and 2020:

	Fair Value Measurements Using:
	Quoted Prices in Active Markets		Significant Other Observable Inputs		Significant Unobservable Inputs
In thousands	(Level 1)		(Level 2)		(Level 3)		Total
December 31, 2021
Liabilities
Oil derivative contracts – current	$	—	$	(134,509)	$	—	$	(134,509)
Oil derivative contracts – long-term	—		—		—		—
Total Liabilities	$	—	$	(134,509)	$	—	$	(134,509)
December 31, 2020
Assets
Oil derivative contracts – current	$	—	$	187	$	—	$	187
Total Assets	$	—	$	187	$	—	$	187
Liabilities
Oil derivative contracts – current	$	—	$	(53,865)	$	—	$	(53,865)
Oil derivative contracts – long-term	—		(5,087)		—		(5,087)
Total Liabilities	$	—	$	(58,952)	$	—	$	(58,952)