Quarterly report pursuant to Section 13 or 15(d)

Stockholder's Equity - Nonvested Stock Activity (Details)

v3.22.1
Stockholder's Equity - Nonvested Stock Activity (Details)
3 Months Ended
Mar. 31, 2022
$ / shares
shares
Restricted stock  
Number of shares  
Share grants outstanding, beginning balance | shares 415,816
Granted (in shares) | shares 201,980
Vested or exercised (in shares) | shares (132,651)
Share grants outstanding, ending balance | shares 485,145
Weighted average grant date fair value  
Share grants beginning balance, (in dollars per share) | $ / shares $ 122.40
Granted (in dollars per share) | $ / shares 139.64
Vested or exercised (in dollars per share) | $ / shares 105.61
Share grants ending balance, (in dollars per share) | $ / shares $ 133.86
Options  
Number of shares  
Share grants outstanding, beginning balance | shares 74,235
Granted (in shares) | shares 0
Vested or exercised (in shares) | shares 0
Share grants outstanding, ending balance | shares 74,235
Weighted average grant date fair value  
Share grants outstanding, beginning balance (in dollars per share) | $ / shares $ 42.07
Granted (in dollars per share) | $ / shares 0
Vested or exercised (in dollars per share) | $ / shares 0
Share grants outstanding, ending balance (in dollars per share) | $ / shares $ 42.07