XML 99 R73.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes - Summary of Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]    
Net operating loss carryforward $ 182,633 $ 228,279
Bonus and equity-based compensation 10,100 9,483
Derivative instruments 30,397 25,738
Other tax attribute carryovers 1,099 1,712
Total deferred tax assets 224,229 265,212
Less: Valuation allowance (1,159) (1,344)
Net deferred tax assets 223,070 263,868
Oil and natural gas properties 485,132 744,977
Investment in partnerships 25,490 0
Other deferred tax liabilities 18,369 32,420
Total deferred tax liabilities 528,991 777,397
Total net deferred tax liabilities $ 305,921 $ 513,529