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