Acquisitions and Divestitures - Schedule of Consideration Paid to Acquire Net Assets and Estimated Values of Net Assets (Parenthetical) (Details) $ in Thousands		3 Months Ended	12 Months Ended
	Dec. 19, 2014 USD ($) $ / bbl $ / Mcf	Dec. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Business Acquisition [Line Items]
Exchange tax rate			34.00%
Goodwill impairment charge			$ 1,547
Earthstone Energy Reverse Acquisition [Member]
Business Acquisition [Line Items]
Exchange tax rate	35.00%
Business combination assets acquired notes payable and accrued interest	$ 7,100
Cash	$ 2,920
Weighted average commodity prices of oil | $ / bbl	51.62
Weighted average commodity prices of natural gas | $ / Mcf	4.58
Decrease in purchase price adjustments to goodwill		$ 1,400
2014 Eagle Ford Properties [Member]
Business Acquisition [Line Items]
Exchange tax rate	34.00%
Weighted average commodity prices of oil | $ / bbl	56.36
Weighted average commodity prices of natural gas | $ / Mcf	3.36
Goodwill impairment charge		$ 1,500	$ 1,547