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Commitments and Contingencies (Narrative) (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Disclosure Commitments And Contingencies Details [Line Items]  
Investor Partners Ownership Interest Presented For Purchase By The MGP, Maximum Percentage 5.00%
Operator Fee Per Well To Cover Estimated Future Plugging And Abandonment Costs, Monthly $ 200