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Summary of Significant Accounting Policies Investment in Unconsolidated Affiliates (Details)
Dec. 31, 2013
Uintah Basin Field Services, LLC [Member]
 
Schedule of Equity Method Investments [Line Items]  
Equity Method Investment, Ownership Percentage 38.00%
Three Rivers Gathering LLC [Member]
 
Schedule of Equity Method Investments [Line Items]  
Equity Method Investment, Ownership Percentage 50.00%