Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table summarizes our revenues by product type:

	Successor		Predecessor
	Period from Sept. 19, 2020 through Dec. 31, 2020		Period from Jan. 1, 2020 through Sept. 18, 2020		Year Ended December 31,
In thousands					2019		2018
Oil sales	$	199,769	$	489,251	$	1,205,083	$	1,412,358
Natural gas sales	1,339		2,850		6,937		10,231
CO2 sales and transportation fees	9,419		21,049		34,142		31,145
Oil marketing revenues	5,376		8,543		14,198		1,921
Total revenues	$	215,903	$	521,693	$	1,260,360	$	1,455,655