Commitments and Contingencies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2016 USD ($) $ / bbl	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Jun. 10, 2010 USD ($)	Mar. 01, 2007 USD ($)
Other Commitments [Line Items]
General and administrative costs and expenses	$ 63,280,000	$ 56,671,000	$ 49,124,000
Commitments and Contingencies Additional Textual [Abstract]
Remaining environmental accrued liability recorded	$ 0	216,000
Obligatory monthly deposit into sinking fund account per barrel of oil | $ / bbl	0.25
Sinking fund account maximum value upon which obligation ceases	$ 4,300,000
Rent expense	10,900,000	$ 16,900,000	6,400,000
Predecessor [Member]
Commitments and Contingencies Additional Textual [Abstract]
Rent expense			$ 500,000
U S Bank Money Market [Member]
Commitments and Contingencies Additional Textual [Abstract]
Held-to-maturity investment, amortized cost	152,000,000
Minimum [Member]
Commitments and Contingencies Additional Textual [Abstract]
Quarterly payments				$ 1,250,000
Minimum [Member] | December 31, 2016 [Member]
Commitments and Contingencies Additional Textual [Abstract]
Minimum balances attributable to REO's net working interest	152,000,000
REO revolving credit facility [Member]
Commitments and Contingencies Additional Textual [Abstract]
Restricted Investment - decommissioning of offshore production facilities					$ 90,000,000
SPBPC Collateral Contractual pipeline and surface facilities abandonment [Member]
Commitments and Contingencies Additional Textual [Abstract]
Restricted Investment - decommissioning of offshore production facilities	3,600,000
Transition Services Agreement [Member]
Other Commitments [Line Items]
General and administrative costs and expenses	$ 1,600,000