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Subsequent Events - Additional Information (Detail) - USD ($)
May 01, 2016
Dec. 31, 2015
Tyler Construction Company, Inc. [Member] | Subsequent Event [Member] | Diversified Gas & Oil Corp. [Member]    
Subsequent Event [Line Items]    
Asset retirement obligation, liabilities assumed by assignee $ 87,469  
Asset retirement obligation, liabilities settled by assignee $ 32,530  
Credit Agreement [Member]    
Subsequent Event [Line Items]    
Obligations outstanding under credit facility   $ 135,000,000