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
3 Months Ended
Mar. 31, 2017
USD ($)
Entity
$ / bbl
Mar. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
Derivative Instruments and Hedging Activities Disclosure [Line Items]      
Derivative assets $ 8,361   $ 27,369
Commodity contracts      
Derivative Instruments and Hedging Activities Disclosure [Line Items]      
Derivative assets $ 8,400    
Number of derivative counterparties | Entity 3    
Commodity contracts | Natural Gas      
Derivative Instruments and Hedging Activities Disclosure [Line Items]      
Third-party quoted forward prices NYMEX Henry Hub gas    
Commodity contracts | Crude Oil      
Derivative Instruments and Hedging Activities Disclosure [Line Items]      
Third-party quoted forward prices West Texas Intermediate crude oil    
Predecessor [Member]      
Derivative Instruments and Hedging Activities Disclosure [Line Items]      
Derivatives settled to reduce outstanding debt   $ 22,860  
Predecessor [Member] | Crude Oil      
Derivative Instruments and Hedging Activities Disclosure [Line Items]      
Derivative, Swap Type, Average Fixed Price | $ / bbl 49.12    
Predecessor [Member] | March 2016 [Domain]      
Derivative Instruments and Hedging Activities Disclosure [Line Items]      
Derivatives Settled   $ 22,900