Quarterly report pursuant to Section 13 or 15(d)

Equity Based Compensation and Cash Awards (Details)

v3.21.1
Equity Based Compensation and Cash Awards (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
Jul. 31, 2020
Jan. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Mar. 12, 2019
Additional disclosures          
Expense recognized     $ 4,012 $ 3,338  
Antero Midstream Partners          
Additional disclosures          
Expense recognized     1,100 1,500  
Antero Resources          
Additional disclosures          
Unamortized expense     4,400    
Midstream LTIP          
Additional disclosures          
Unamortized expense     $ 16,600    
Weighted average period for recognizing unrecognized stock-based compensation expense     2 years 3 months 18 days    
AM LTIP          
Number of units          
Total awarded and unvested at the beginning of the period (in shares)     3,314,955    
Vested (in shares)     (429,593)    
Forfeited (in shares)     (39,414)    
Total awarded and unvested at the end of the period (in shares)     2,845,948    
Weighted average grant date fair value          
Total awarded and unvested at the beginning of the period (in dollars per unit)     $ 8.09    
Vested (in dollars per unit)     7.46    
Forfeited (in dollars per unit)     7.27    
Total awarded and unvested at the end of the period (in dollars per unit)     $ 8.20    
Additional disclosures          
Expense recognized     $ 2,300 1,400  
Number of stock-based compensation awards authorized         15,398,901
Number of shares available for future grant under the Plan     11,332,985    
Cash awards granted $ 700 $ 2,200      
Vesting period for cash awards 4 years 3 years      
Cash awards accrued in other liabilities     $ 1,100    
ROIC PSUs          
Additional disclosures          
Expense recognized     700 $ 100  
Unamortized expense     $ 700    
Weighted average period for recognizing unrecognized stock-based compensation expense     1 year 1 month 6 days