Acquisitions and Divestitures - Schedule of Consideration Paid to Acquire Net Assets and Estimated Values of Net Assets (Parenthetical) (Details)			3 Months Ended		12 Months Ended
	May 18, 2016 USD ($) $ / bbl $ / Mcf $ / Boe	Dec. 19, 2014 USD ($) $ / bbl $ / Mcf	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Business Acquisition [Line Items]
Goodwill impairment charge			$ 17,500,000	$ 1,600,000	$ 17,532,000	$ 1,547,000	$ 0
Lynden Arrangement [Member]
Business Acquisition [Line Items]
Tax rate	34.50%
Weighted average commodity prices of oil | $ / bbl	64.73
Weighted average commodity prices of natural gas | $ / Mcf	3.68
Weighted average commodity prices of oil equivalent for natural gas liquids | $ / Boe	19.34
Credit facility, outstanding balance paid off	$ 36,597,000
Settlement of debt	31,300,000
Net cash outflow					31,334,000
Cash	$ 5,263,000
Earthstone Energy Reverse Acquisition [Member]
Business Acquisition [Line Items]
Tax rate		35.00%
Weighted average commodity prices of oil | $ / bbl		51.62
Weighted average commodity prices of natural gas | $ / Mcf		4.58
Credit facility, outstanding balance paid off		$ 7,000,000
Net cash outflow		4,200,000
Repayment of long-term debt		7,100,000
Cash		$ 2,920,000
Goodwill impairment charge					$ 17,500,000
2014 Eagle Ford Properties [Member]
Business Acquisition [Line Items]
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						$ 1,500,000