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Equity Method Investment (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Equity Method Investment (Textual)        
Ownership interest percentage in crawford county gas gathering company, LLC 50.00%   50.00%  
Equity investment income (loss) in crawford county gas gathering company, LLC $ 2 $ 2 $ 7 $ (77)
Nytis LLC [Member]
       
Equity Method Investment (Textual)        
Ownership interest percentage in crawford county gas gathering company, LLC 50.00%   50.00%  
Equity investment income (loss) in crawford county gas gathering company, LLC $ 2 $ 2 $ 7 $ (77)