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Commitments and Contingencies - Additional Information (Detail) $ in Thousands		12 Months Ended
	Jul. 06, 2013 defendant	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2015 MBbls	Dec. 31, 2015 MMcf
Commitments And Contingencies [Line Items]
Rental expense		$ 7,200	$ 5,000	$ 3,000
Rig termination expense		3,895	$ 0	$ 0
Number of defendants | defendant	50
Well completion services equipment and fresh water
Commitments And Contingencies [Line Items]
Aggregate future commitment amount of purchase agreement		$ 42,400
Long term commitments
Commitments And Contingencies [Line Items]
Contract term, maximum		10 years
Estimated future commitment under supply agreements		$ 448,400
Crude oil | Long term commitments
Commitments And Contingencies [Line Items]
Minimum quantity of delivery | MBbls					35,000
Natural gas | Long term commitments
Commitments And Contingencies [Line Items]
Minimum quantity of delivery					23,000	223,000
Drilling contracts
Commitments And Contingencies [Line Items]
Term of contract		1 year
Payments upon early contract termination		$ 5,700

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Commitments And Contingencies [Line Items]

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The maximum duration period applicable to the existing commitments.

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
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Total amount of product committed to be supplied under existing contracts or agreements.

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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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