v3.22.2.2
Stock award plan - Restricted Stock (Details) - Restricted stock awards and units
9 Months Ended
Sep. 30, 2022
$ / shares
shares
Number of Shares  
Balance at the beginning of the period (in shares) | shares 1,519,831
Granted (in shares) | shares 1,615,182
Vested (in shares) | shares (493,847)
Forfeited (in shares) | shares (152,222)
Balance at the end of the period (in shares) | shares 2,488,944
Weighted Average Grant Date Fair Value  
Balance at the beginning of the period (in dollars per share) | $ / shares $ 55.43
Granted (in dollars per share) | $ / shares 38.28
Vested (in dollars per share) | $ / shares 50.14
Forfeited (in dollars per share) | $ / shares 46.85
Balance at the end of the period (in dollars per share) | $ / shares $ 45.84