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Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment
December 31,
20132012
CostAccumulated DepreciationNet Book ValueNet Book Value
Gathering systems(1), (2)$ 294,356$ (105,246)$ 189,110$ 183,567
Computer equipment 2,726 (1,834) 892 1,000
Office equipment 431 (390) 41 80
Leasehold improvements 450 (314) 136 199
Land 22,359 - 22,359 22,359
Other 11,591 (7,220) 4,371 5,167
Property, plant and equipment, net$ 331,913$ (115,004)$ 216,909$ 212,372