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Income Taxes - Summary of Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]    
Net operating loss carryforward $ 121,248 $ 35,650
Bonus and stock-based compensation 11,222 11,025
Other tax attribute carryovers 1,601 1,349
Total deferred tax assets 134,071 48,024
Oil and natural gas properties 696,498 566,382
Derivative instruments 45,728 105,911
Total deferred tax liabilities 742,226 672,293
Total net deferred tax liability $ 608,155 $ 624,269