Derivatives Derivatives (Schedule of Subsequent Derivatives Outstanding (Details)	1 Months Ended	9 Months Ended
	Nov. 03, 2016 $ / Unit MMBTU bbl	Sep. 30, 2016 $ / Unit MMBTU bbl
Oct'16 - Dec'16 [Member] | Crude Oil [Member] | Collar [Member] | WTI - NYMEX [Member]
Derivative [Line Items]
Hedged volume (Bbl/day) | bbl		1,450
Floor Price		47.50
Cap Price		56.40
Oct'16 - Dec'16 [Member] | Crude Oil [Member] | Collar [Member] | Subsequent Event [Member] | WTI - NYMEX [Member]
Derivative [Line Items]
Hedged volume (Bbl/day) | bbl	2,000
Floor Price	48.00
Cap Price	53.15
Oct'16 - Dec'16 [Member] | Crude Oil [Member] | Three-way collar [Member] | WTI - NYMEX [Member]
Derivative [Line Items]
Hedged volume (Bbl/day) | bbl		700
Floor Price		46.50
Cap Price		57.00
Subfloor price		35.00
Oct'16 - Dec'16 [Member] | Natural Gas [Member] | Collar [Member] | IF - NYMEX (HH) [Member]
Derivative [Line Items]
Hedged volume (MMBtu/day) | MMBTU		42,000
Floor Price		2.40
Cap Price		2.88
Oct'16 - Dec'16 [Member] | Natural Gas [Member] | Three-way collar [Member] | IF - NYMEX (HH) [Member]
Derivative [Line Items]
Hedged volume (MMBtu/day) | MMBTU		13,500
Floor Price		2.70
Cap Price		3.26
Subfloor price		2.20
Oct'16 - Dec'16 [Member] | Natural Gas [Member] | Swap [Member] | IF - NYMEX (HH) [Member]
Derivative [Line Items]
Hedged volume (MMBtu/day) | MMBTU		45,000
Weighted average price		2.596
Jan'17 - Dec'17 [Member] | Crude Oil [Member] | Three-way collar [Member] | WTI - NYMEX [Member]
Derivative [Line Items]
Hedged volume (Bbl/day) | bbl		1,750
Floor Price		50.00
Cap Price		61.67
Subfloor price		39.10
Jan'17 - Dec'17 [Member] | Crude Oil [Member] | Three-way collar [Member] | Subsequent Event [Member] | WTI - NYMEX [Member]
Derivative [Line Items]
Hedged volume (Bbl/day) | bbl	2,000
Floor Price	49.60
Cap Price	60.38
Subfloor price	40.00
Jan'17 - Dec'17 [Member] | Natural Gas [Member] | Three-way collar [Member] | IF - NYMEX (HH) [Member]
Derivative [Line Items]
Hedged volume (MMBtu/day) | MMBTU		15,000
Floor Price		2.50
Cap Price		3.32
Subfloor price		2
Jan'17 - Dec'17 [Member] | Natural Gas [Member] | Swap [Member] | IF - NYMEX (HH) [Member]
Derivative [Line Items]
Hedged volume (MMBtu/day) | MMBTU		60,000
Weighted average price		2.960
Jan'17 - Mar'17 [Member] | Natural Gas [Member] | Swap [Member] | Subsequent Event [Member] | WTI - NYMEX [Member]
Derivative [Line Items]
Weighted average price	3.550
Jan'17 - Mar'17 [Member] | Natural Gas [Member] | Swap [Member] | Subsequent Event [Member] | IF - NYMEX (HH) [Member]
Derivative [Line Items]
Hedged volume (MMBtu/day) | MMBTU	10,000