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Commitments and Contingencies - Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Aug. 30, 2016
Jun. 30, 2016
Jun. 30, 2016
Dec. 31, 2010
Commitments and Contingencies Disclosure [Line Items]        
Asset retirement obligations   $ 3,400,000 $ 3,400,000  
Legal Reserve        
Commitments and Contingencies Disclosure [Line Items]        
Reserve established for contingency matters       $ 900,000
Sales and Use Tax [Member]        
Commitments and Contingencies Disclosure [Line Items]        
Reserve established for contingency matters     200,000  
Firm Transportation | Maximum        
Commitments and Contingencies Disclosure [Line Items]        
Contract term   13 years    
Coil Tubing Services [Member]        
Commitments and Contingencies Disclosure [Line Items]        
Contractual obligation, balance of 2015   $ 600,000 600,000  
Contractual obligation, annual   1,100,000 1,100,000  
Gas Gathering And Compression Services        
Commitments and Contingencies Disclosure [Line Items]        
Contractual obligation, balance of 2015   2,500,000 2,500,000  
Crude Oil Gathering And Transportation Services        
Commitments and Contingencies Disclosure [Line Items]        
Contractual obligation, annual   12,300,000 12,300,000  
Drilling Carry        
Commitments and Contingencies Disclosure [Line Items]        
Contractual Obligation   $ 10,700,000 $ 10,700,000  
Scenario, Forecast [Member] | Drilling Carry        
Commitments and Contingencies Disclosure [Line Items]        
Contractual Obligation Payment $ 2.0