Annual report pursuant to Section 13 and 15(d)

Income Taxes (Detail)

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Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jan. 01, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income tax expense from continuing operations        
Current income tax expense (benefit)   $ 5,048   $ 75
Deferred income tax benefit   (79,158) $ (128,857) (295,126)
Total income tax expense from continuing operations   $ (74,110) $ (128,857) $ (295,051)
U.S. Statutory federal income tax rate (as a percent) 21.00% 21.00% 21.00% 35.00%
Reconciliation of income tax expense from continuing operations differs from the amount that would be computed by applying the U.S. statutory federal income tax rate to consolidated income        
Federal income tax expense (benefit)   $ (77,122) $ (36,657) $ 171,530
State income tax expense (benefit), net of federal benefit   (8,826) (12,627) 10,779
Change in Federal tax rate, net of state benefit       (427,962)
Change in State tax rate, net of federal effect   24,041 (40,415)  
Nondeductible stock compensation   6,920 6,079 12,098
Dividends received deduction   (4,201)    
Noncontrolling interest in Antero Midstream   (10,998) (73,881) (59,523)
Deconsolidation adjustment   (6,626)    
Change in valuation allowance   1,325 28,116 (2,073)
Other   1,377 528 100
Total income tax expense from continuing operations   (74,110) (128,857) (295,051)
Income tax expense (benefit) allocated to continuing and discontinued operations        
Total income tax expense from continuing operations   (74,110) (128,857) $ (295,051)
Deferred tax assets:        
Net operating loss carryforwards   560,136 734,255  
Equity based compensation   7,669 10,633  
Investment in Antero Midstream Partners LP   172,460    
Other   15,754 15,726  
Total deferred tax assets   756,019 760,614  
Valuation allowance   (46,802) (45,477)  
Net deferred tax assets   709,217 715,137  
Deferred tax liabilities:        
Unrealized gains on derivative instruments   206,677 271,747  
Oil and gas properties   1,284,528 1,055,850  
Investment in Antero Midstream     11,258  
Other     27,070  
Total deferred tax liabilities   1,491,205 1,365,925  
Net deferred tax liabilities   (781,987) (650,788)  
Valuation allowance on net operating loss carryforwards   47,000 45,000  
State        
Deferred tax liabilities:        
Valuation allowance on net operating loss carryforwards   $ 47,000 $ 45,000