Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments - Additional Information (Detail)

v3.8.0.1
Derivative Instruments - Additional Information (Detail)
$ in Thousands
8 Months Ended 9 Months Ended
Sep. 12, 2016
USD ($)
Sep. 30, 2017
USD ($)
Entity
$ / bbl
bbl
Sep. 30, 2016
USD ($)
Oct. 04, 2017
bbl
$ / bbl
Dec. 31, 2016
USD ($)
Derivative Instruments and Hedging Activities Disclosure [Line Items]          
Derivative, Nonmonetary Notional Amount, Volume | bbl   4,000      
Derivative, Price Risk Option Strike Price   55.00      
Derivative assets | $   $ 18,557     $ 27,369
Derivative, Price Risk Option, Premium, Minimum   8.00      
Derivative, Price Risk Option, Premium, Maximum   9.50      
Commodity contracts          
Derivative Instruments and Hedging Activities Disclosure [Line Items]          
Derivative assets | $   $ 8,700      
Number of derivative counterparties | Entity   3      
Commodity contracts | Crude Oil          
Derivative Instruments and Hedging Activities Disclosure [Line Items]          
Third-party quoted forward prices   West Texas Intermediate (“WTI”) crude oil      
Commodity contracts | Natural Gas          
Derivative Instruments and Hedging Activities Disclosure [Line Items]          
Third-party quoted forward prices   (“NYMEX”) Henry Hub gas      
Predecessor [Member]          
Derivative Instruments and Hedging Activities Disclosure [Line Items]          
Derivatives settled to reduce outstanding debt | $ $ 51,979   $ 52,000    
Predecessor [Member] | March 2016 [Domain]          
Derivative Instruments and Hedging Activities Disclosure [Line Items]          
Derivatives Settled | $     $ 63,000    
Subsequent Event [Member] | Converted 2018 [Member] | Crude Oil          
Derivative Instruments and Hedging Activities Disclosure [Line Items]          
Derivative, Swap Type, Average Fixed Price       49.00  
Notional Volume, per day | bbl       1,000  
Subsequent Event [Member] | Converted 2018 [Member] | Louisiana Light Sweet [Member]          
Derivative Instruments and Hedging Activities Disclosure [Line Items]          
Derivative, Swap Type, Average Fixed Price       50.83  
Notional Volume, per day | bbl       1,000  
Subsequent Event [Member] | Converted 2019 [Member] | Louisiana Light Sweet [Member]          
Derivative Instruments and Hedging Activities Disclosure [Line Items]          
Derivative, Swap Type, Average Fixed Price       50.86  
Notional Volume, per day | bbl       2,000  
Subsequent Event [Member] | 2018 [Member] | Crude Oil          
Derivative Instruments and Hedging Activities Disclosure [Line Items]          
Derivative, Swap Type, Average Fixed Price       49.30  
Notional Volume, per day | bbl       5,477  
Subsequent Event [Member] | 2018 [Member] | Louisiana Light Sweet [Member]          
Derivative Instruments and Hedging Activities Disclosure [Line Items]          
Derivative, Swap Type, Average Fixed Price       51.97  
Notional Volume, per day | bbl       1,500  
Subsequent Event [Member] | 2019 [Member] | Crude Oil          
Derivative Instruments and Hedging Activities Disclosure [Line Items]          
Derivative, Swap Type, Average Fixed Price       49.87  
Notional Volume, per day | bbl       2,915  
Subsequent Event [Member] | 2019 [Member] | Louisiana Light Sweet [Member]          
Derivative Instruments and Hedging Activities Disclosure [Line Items]          
Derivative, Swap Type, Average Fixed Price       51.30  
Notional Volume, per day | bbl       2,500  
Subsequent Event [Member] | 2020 [Member] | Crude Oil          
Derivative Instruments and Hedging Activities Disclosure [Line Items]          
Derivative, Swap Type, Average Fixed Price       50.35  
Notional Volume, per day | bbl       1,000  
Subsequent Event [Member] | Remainder of 2017 [Member] | Crude Oil          
Derivative Instruments and Hedging Activities Disclosure [Line Items]          
Derivative, Swap Type, Average Fixed Price       48.59  
Notional Volume, per day | bbl       4,381  
Subsequent Event [Member] | Remainder of 2017 [Member] | Louisiana Light Sweet [Member]          
Derivative Instruments and Hedging Activities Disclosure [Line Items]          
Derivative, Swap Type, Average Fixed Price       56.18  
Notional Volume, per day | bbl       663