Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments - Additional Information (Detail)

v3.7.0.1
Derivative Instruments - Additional Information (Detail)
$ in Thousands
6 Months Ended
Jun. 30, 2017
USD ($)
Entity
$ / bbl
Jun. 30, 2016
USD ($)
Dec. 31, 2016
USD ($)
Derivative Instruments and Hedging Activities Disclosure [Line Items]      
Derivative assets $ 90   $ 27,369
Commodity contracts      
Derivative Instruments and Hedging Activities Disclosure [Line Items]      
Derivative assets $ 3,200    
Number of derivative counterparties | Entity 2    
Commodity contracts | Crude Oil      
Derivative Instruments and Hedging Activities Disclosure [Line Items]      
Third-party quoted forward prices West Texas Intermediate 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  
Predecessor [Member] | Crude Oil      
Derivative Instruments and Hedging Activities Disclosure [Line Items]      
Derivative, Swap Type, Average Fixed Price | $ / bbl 49.07    
Predecessor [Member] | March 2016 [Domain]      
Derivative Instruments and Hedging Activities Disclosure [Line Items]      
Derivatives Settled   $ 63,000