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Commitments and Contingencies (Narrative) (Details)
12 Months Ended
Dec. 31, 2015
USD ($)
$ / mo
Dec. 31, 2014
USD ($)
Commitments And Contingencies Disclosure [Abstract]    
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 | $ / mo 200  
Net production revenue for future plugging and abandonment costs | $ $ 223,900 $ 19,900