Quarterly report pursuant to Section 13 or 15(d)

Equity Based Compensation and Cash Awards (Details)

v3.21.2
Equity Based Compensation and Cash Awards (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Jul. 31, 2020
Jan. 31, 2020
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Mar. 12, 2019
Additional disclosures                
Equity-based compensation     $ 3,255 $ 3,678 $ 10,326 $ 9,713    
AR LTIP                
Additional disclosures                
Equity based compensation expense allocated from Antero Resources     300 1,200 1,800 4,500    
Unamortized expense allocated from Antero Resources     1,900   1,900      
AM LTIP                
Additional disclosures                
Equity-based compensation     $ 2,800 2,300 $ 7,900 5,000    
Number of stock-based compensation awards authorized               15,398,901
Number of shares available for future grant under the Plan     10,041,012   10,041,012      
Cash awards granted $ 700 $ 2,200            
Vesting period for cash awards 4 years 3 years            
Cash awards accrued in other liabilities     $ 1,000   $ 1,000   $ 1,800  
AM LTIP RSUs                
Number of units                
Total awarded and unvested at the beginning of the period (in shares)         3,314,955      
Granted (in shares)         1,791,444      
Vested (in shares)         (1,267,750)      
Forfeited (in shares)         (221,710)      
Total awarded and unvested at the end of the period (in shares)     3,616,939   3,616,939      
Weighted average grant date fair value                
Total awarded and unvested at the beginning of the period (in dollars per unit)         $ 8.09      
Granted (in dollars per unit)         8.71      
Vested (in dollars per unit)         9.07      
Forfeited (in dollars per unit)         7.36      
Total awarded and unvested at the end of the period (in dollars per unit)     $ 8.10   $ 8.10      
Additional disclosures                
Unamortized expense     $ 24,100   $ 24,100      
Weighted average period for recognizing unrecognized stock-based compensation expense         2 years 9 months 18 days      
ROIC PSUs                
Additional disclosures                
Equity-based compensation     100 $ 100 $ 700 $ 200    
Unamortized expense     $ 300   $ 300      
Weighted average period for recognizing unrecognized stock-based compensation expense         6 months