Derivative Instruments - Additional Information (Detail) $ in Thousands	4 Months Ended	8 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2016 USD ($) counterparty $ / bbl	Sep. 12, 2016 USD ($)	Sep. 30, 2016 USD ($)	Dec. 31, 2016 USD ($) counterparty $ / bbl	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Derivative assets	$ 27,369			$ 27,369	$ 0
Derivatives Settled			$ 63,000
Derivatives Settled to Pay Down Revolver	$ 0	$ 51,979	$ 52,000		$ 0	$ 0
Crude Oil
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Derivative, Swap Type, Average Fixed Price | $ / bbl	49.12			49.12
Commodity contracts
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Derivative assets	$ 27,400			$ 27,400
Number Of Derivative Counterparty | counterparty	3			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