Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Major Customers

The following individual customers each accounted for 10% or more of total reported revenues for the period indicated:

		Successor		Predecessor
	For the	For the	Period from	Period from
	Year Ended	Year Ended	May 5, 2017	January 1, 2017
	December 31,	December 31,	through	through
	2019	2018	December 31, 2017	May 4, 2017
Major customers:
Phillips 66	27%	27%	23%	19%
Sinclair Oil & Gas Company	21%	21%	19%	20%
CIMA Energy	n/a	10%	11%	n/a
BP America Production Company	13%	n/a	10%	10%