Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

The tables below present oil, gas, and NGL production revenue by product type for each of the Company’s operating areas for the years ended December 31, 2020, 2019, and 2018:


	For the year ended December 31, 2020
	Midland Basin			South Texas			Total
	(in thousands)
Oil production revenue	$	802,494		$	51,074		$	853,568
Gas production revenue	76,759			110,700			187,459
NGL production revenue	324			84,837			85,161
Total	$	879,577		$	246,611		$	1,126,188
Relative percentage	78		%	22		%	100		%

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Note: Amounts may not calculate due to rounding.


	For the year ended December 31, 2019
	Midland Basin			South Texas			Total
	(in thousands)
Oil production revenue	$	1,119,786		$	63,426		$	1,183,212
Gas production revenue	75,827			186,702			262,529
NGL production revenue	123			139,886			140,009
Total	$	1,195,736		$	390,014		$	1,585,750
Relative percentage	75		%	25		%	100		%

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Note: Amounts may not calculate due to rounding.


	For the year ended December 31, 2018
	Midland Basin			South Texas			Rocky Mountain (1)			Total
	(in thousands)
Oil production revenue	$	938,004		$	72,821		$	54,851		$	1,065,676
Gas production revenue	125,603			227,252			1,595			354,450
NGL production revenue	1,000			214,441			790			216,231
Total	$	1,064,607		$	514,514		$	57,236		$	1,636,357
Relative percentage	65		%	32		%	3		%	100		%

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Note: Amounts may not calculate due to rounding.

(1) Following the divestiture of the Company’s remaining assets in the Rocky Mountain region during the first half of 2018, there has been no production revenue from this region after the second quarter of 2018.