Quarterly report pursuant to Section 13 or 15(d)

Equity-Based Compensation (Details)

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Equity-Based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended 27 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Stock-based compensation expense      
Number of stock-based compensation awards authorized 16,906,500    
Number of shares available for future grant under the Plan 8,614,973    
Equity based compensation expense recognized $ 23,470 $ 27,783  
Midstream Plan      
Stock-based compensation expense      
Number of stock-based compensation awards authorized 10,000,000    
Number of shares available for future grant under the Plan 7,953,111    
Profits interests awards      
Stock-based compensation expense      
Equity based compensation expense recognized   14,718 $ 486,000
Restricted stock awards      
Stock-based compensation expense      
Equity based compensation expense recognized $ 17,467 8,436  
Performance share unit awards      
Stock-based compensation expense      
Equity based compensation expense recognized 883    
Stock options      
Stock-based compensation expense      
Equity based compensation expense recognized 660 129  
Antero Midstream Partners Phantom and Restricted Unit Awards      
Stock-based compensation expense      
Equity based compensation expense recognized 3,988 4,425  
Equity awards issued to directors      
Stock-based compensation expense      
Equity based compensation expense recognized $ 472 $ 75