Derivative Financial Instruments (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Open swap contracts for natural gas liquid
Fair Value of Asset (Liability)	$ (5,861)
NGL's [Member] | Open Swap Contract [Member]
Open swap contracts for natural gas liquid
Fair Value of Asset (Liability)	103
NGL's [Member] | Open Swap Contract [Member] | NGL Propane Swap Contract, 116,000 Notional Amount, 0.950 Fixed Price [Member]
Open swap contracts for natural gas liquid
Calculation Period	04/01/2014 - 12/31/2014
Notional Quantity	116,000
Fixed Price	0.950
Fair Value of Asset (Liability)	(130)
NGL's [Member] | Open Swap Contract [Member] | NGL Propane Swap Contract, 84,000 Notional Amount, 1.143 Fixed Price [Member] [Member]
Open swap contracts for natural gas liquid
Calculation Period	04/01/2014 - 12/31/2014
Notional Quantity	84,000
Fixed Price	1.143
Fair Value of Asset (Liability)	51
NGL's [Member] | Open Swap Contract [Member] | NGL Propane Swap Contract, 68,000 Notional Amount, 1.150 Fixed Price [Member] [Member] [Member]
Open swap contracts for natural gas liquid
Calculation Period	04/01/2014 - 12/31/2014
Notional Quantity	68,000
Fixed Price	1.150
Fair Value of Asset (Liability)	48
NGL's [Member] | Open Swap Contract [Member] | NGL Propane Swap Contract, 116,000 Notional Amount, 1.003 Fixed Price [Member] [Member]
Open swap contracts for natural gas liquid
Calculation Period	04/01/2014 - 12/31/2014
Notional Quantity	116,000
Fixed Price	1.0025
Fair Value of Asset (Liability)	(76)
NGL's [Member] | Open Swap Contract [Member] | NGL Propane Swap Contract, 60,000 Notional Amount, 1.015 Fixed Price [Member] [Member]
Open swap contracts for natural gas liquid
Calculation Period	04/01/2014 - 12/31/2014
Notional Quantity	60,000
Fixed Price	1.015
Fair Value of Asset (Liability)	(32)
NGL's [Member] | Open Swap Contract [Member] | NGL Normal Butane Swap Contract, 14,700 Notional Amount, 1.455 Fixed Price [Member]
Open swap contracts for natural gas liquid
Calculation Period	01/01/2015 - 12/31/2015
Notional Quantity	150,000
Fixed Price	1.000
Fair Value of Asset (Liability)	(59)
NGL's [Member] | Open Swap Contract [Member] | NGL Normal Butane Swap Contract, 14,700 Notional Amount, 1.560 Fixed Price [Member]
Open swap contracts for natural gas liquid
Calculation Period	01/01/2015 - 12/31/2015
Notional Quantity	68,000
Fixed Price	1.073
Fair Value of Asset (Liability)	32
NGL's [Member] | Open Swap Contract [Member] | NGL Normal Butane Swap Contract, 17,500 Notional Amount, 1.540 Fixed Price [Member]
Open swap contracts for natural gas liquid
Calculation Period	04/01/2014 - 12/31/2014
Notional Quantity	17,500
Fixed Price	1.540
Fair Value of Asset (Liability)	41
NGL's [Member] | Open Swap Contract [Member] | NGL Normal Butane Swap Contract, 45,500 Notional Amount, 1.550 Fixed Price [Member]
Open swap contracts for natural gas liquid
Calculation Period	04/01/2014 - 12/31/2014
Notional Quantity	45,500
Fixed Price	1.550
Fair Value of Asset (Liability)	112
NGL's [Member] | Open Swap Contract [Member] | NGL Isobutane Swap Contract, 22,000 Notional Amount, 1.640 Fixed Price [Member]
Open swap contracts for natural gas liquid
Calculation Period	04/01/2014 - 12/31/2014
Notional Quantity	22,000
Fixed Price	1.640
Fair Value of Asset (Liability)	69
NGL's [Member] | Open Swap Contract [Member] | NGL Isobutane Swap Contract, 37,000 Notional Amount, 1.640 Fixed Price [Member]
Open swap contracts for natural gas liquid
Calculation Period	04/01/2014 - 12/31/2014
Notional Quantity	37,000
Fixed Price	1.640
Fair Value of Asset (Liability)	116
NGL's [Member] | Open Swap Contract [Member] | NGL Natural Gasoline Swap Contract, 30,000 Notional Amount, 1.970 Fixed Price [Member]
Open swap contracts for natural gas liquid
Calculation Period	04/01/2014 - 12/31/2014
Notional Quantity	30,000
Fixed Price	1.970
Fair Value of Asset (Liability)	(36)
NGL's [Member] | Open Swap Contract [Member] | NGL Natural Gasoline Swap Contract, 41,000 Notional Amount, 2.000 Fixed Price [Member]
Open swap contracts for natural gas liquid
Calculation Period	04/01/2014 - 12/31/2014
Notional Quantity	41,000
Fixed Price	2.00
Fair Value of Asset (Liability)	$ (33)