Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.6.0.2
Commitments and Contingencies - Additional Information (Detail)
$ in Thousands
2 Months Ended 4 Months Ended 8 Months Ended 9 Months Ended 12 Months Ended
Sep. 12, 2016
USD ($)
Dec. 31, 2016
USD ($)
Sep. 12, 2016
USD ($)
Sep. 30, 2016
USD ($)
bbl
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2010
USD ($)
Commitments and Contingencies Disclosure [Line Items]              
Operating lease rental expense   $ 200 $ 2,400   $ 7,200 $ 8,700  
Reorganization items, Settlements related to contract amendments     2,550        
Long-term Purchase Commitment, Minimum Volume Required | bbl       8,000      
Crude Oil Gathering Agreement       10      
Asset retirement obligations $ 2,687 2,459 $ 2,687   $ 2,621 $ 5,890  
Environmental Compliance              
Commitments and Contingencies Disclosure [Line Items]              
Asset retirement obligations   2,500          
Legal Reserve              
Commitments and Contingencies Disclosure [Line Items]              
Reserve established for contingency matters       $ 100     $ 900
Gathering and Intermediate Transportation [Member]              
Commitments and Contingencies Disclosure [Line Items]              
Contractual Commitments Future Minimum Payments Due   134,322          
Contractual Commitments Future Minimum Payments Due Current   9,646          
Drilling carry [Member]              
Commitments and Contingencies Disclosure [Line Items]              
Contractual Commitments Future Minimum Payments Due   27,369          
Contractual Commitments Future Minimum Payments Due Current   $ 12,932          
Crude Oil Gathering And Transportation Services [Member]              
Commitments and Contingencies Disclosure [Line Items]              
Reorganization items, Settlements related to contract amendments $ 300            
Original Volume Required [Domain]              
Commitments and Contingencies Disclosure [Line Items]              
Long-term Purchase Commitment, Minimum Volume Required | bbl       15,000      
Term in Years [Domain]              
Commitments and Contingencies Disclosure [Line Items]              
Crude Oil Gathering Agreement       15      
Marketing Agreement       10