Derivatives Derivatives (Schedule of Non-designated Hedges Outstanding) (Details)	3 Months Ended
	Mar. 31, 2014 bbl
Swap [Member] | Apr'14 - Jun'14 [Member] | Crude Oil [Member] | WTI - NYMEX [Member]
Derivative [Line Items]
Weighted Average Price	100.03
Hedged Volume (in Bbl/day)	500
Swap [Member] | Apr'14 - Jun'14 [Member] | Crude Oil [Member] | WTI - NYMEX [Member] | Start [Member]
Derivative [Line Items]
Commodity Derivatives Term	Apr'14
Swap [Member] | Apr'14 - Jun'14 [Member] | Crude Oil [Member] | WTI - NYMEX [Member] | End [Member]
Derivative [Line Items]
Commodity Derivatives Term	Jun'14
Swap [Member] | Apr'14 - Dec'14 [Member] | Crude Oil [Member] | WTI - NYMEX [Member]
Derivative [Line Items]
Weighted Average Price	91.77
Hedged Volume (in Bbl/day)	3,000
Swap [Member] | Apr'14 - Dec'14 [Member] | Crude Oil [Member] | WTI - NYMEX [Member] | Start [Member]
Derivative [Line Items]
Commodity Derivatives Term	Apr'14
Swap [Member] | Apr'14 - Dec'14 [Member] | Crude Oil [Member] | WTI - NYMEX [Member] | End [Member]
Derivative [Line Items]
Commodity Derivatives Term	Dec'14
Swap [Member] | Apr'14 - Dec'14 [Member] | Natural Gas [Member] | IF - NYMEX (HH) [Member]
Derivative [Line Items]
Weighted Average Price	4.24
Hedged Volume (MMBtu/day)	80,000
Swap [Member] | Apr'14 - Dec'14 [Member] | Natural Gas [Member] | IF - NYMEX (HH) [Member] | Start [Member]
Derivative [Line Items]
Commodity Derivatives Term	Apr'14
Swap [Member] | Apr'14 - Dec'14 [Member] | Natural Gas [Member] | IF - NYMEX (HH) [Member] | End [Member]
Derivative [Line Items]
Commodity Derivatives Term	Dec'14
Collar [Member] | Apr'14 - Dec'14 [Member] | Crude Oil [Member] | WTI - NYMEX [Member]
Derivative [Line Items]
Hedged Volume (in Bbl/day)	4,000
Collar [Member] | Apr'14 - Dec'14 [Member] | Crude Oil [Member] | WTI - NYMEX [Member] | Start [Member]
Derivative [Line Items]
Weighted Average Price	90.00
Commodity Derivatives Term	Apr'14
Collar [Member] | Apr'14 - Dec'14 [Member] | Crude Oil [Member] | WTI - NYMEX [Member] | End [Member]
Derivative [Line Items]
Weighted Average Price	96.08
Commodity Derivatives Term	Dec'14
Collar [Member] | Apr'14 - Dec'14 [Member] | Natural Gas [Member] | IF - NYMEX (HH) [Member]
Derivative [Line Items]
Hedged Volume (MMBtu/day)	10,000
Collar [Member] | Apr'14 - Dec'14 [Member] | Natural Gas [Member] | IF - NYMEX (HH) [Member] | Start [Member]
Derivative [Line Items]
Weighted Average Price	3.75
Commodity Derivatives Term	Apr'14
Collar [Member] | Apr'14 - Dec'14 [Member] | Natural Gas [Member] | IF - NYMEX (HH) [Member] | End [Member]
Derivative [Line Items]
Weighted Average Price	4.37
Commodity Derivatives Term	Dec'14