Derivative Financial Instruments - Schedule of Open Crude Oil and Natural Gas Derivative Contracts (Details)	3 Months Ended
	Mar. 31, 2018 MMBTU $ / MMBTU $ / bbl bbl
Q2 - Q4 2018 | Natural Gas
Derivative [Line Items]
Natural gas volume | MMBTU	1,825,000
Weighted Average Price ($/Bbl / $/MMBtu) | $ / MMBTU	2.95
Q2 - Q4 2018 | Crude Oil
Derivative [Line Items]
Crude oil volume | bbl	1,076,750
Weighted Average Price ($/Bbl / $/MMBtu) | $ / bbl	51.10
Q1 - Q4 2019 | Crude Oil
Derivative [Line Items]
Crude oil volume | bbl	1,076,600
Weighted Average Price ($/Bbl / $/MMBtu) | $ / bbl	55.37
Basis Swap | Crude Oil
Derivative [Line Items]
Crude oil volume | bbl	453,750
Short | Basis Swap | Crude Oil
Derivative [Line Items]
Weighted Average Price ($/Bbl / $/MMBtu) | $ / bbl	(0.15)