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Related Party Transactions (Details Textual) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Glass Mountain Pipeline LLC [Member]
       
Related Party Transactions (Textual) [Abstract]        
Related Party Transaction, Expenses from Transactions with Related Party $ 100,000   $ 100,000  
Related Party Transaction Reimbursements from Transactions With Related Party 200,000   400,000  
White Cliffs Pipeline, L.L.C. [Member]
       
Related Party Transactions (Textual) [Abstract]        
Revenues 700,000 800,000 1,500,000 1,300,000
Related Party Transaction, Expenses from Transactions with Related Party 800,000   1,700,000  
Law Firm [Member]
       
Related Party Transactions (Textual) [Abstract]        
Legal fees 300,000 800,000 600,000 1,300,000
White Cliffs Pipeline, L.L.C. [Member] | Law Firm [Member]
       
Related Party Transactions (Textual) [Abstract]        
Legal fees $ 27,000 $ 11,500 $ 81,000 $ 47,500