XML 59 R50.htm IDEA: XBRL DOCUMENT v3.22.1
STOCKHOLDERS' EQUITY AND COMPENSATION ARRANGEMENTS - Schedule of Restricted Stock Unit Activity (Details) - Restricted stock units
3 Months Ended
Mar. 31, 2022
$ / shares
shares
Number of Shares  
Beginning balance (in shares) | shares 2,205,235
Granted (in shares) | shares 172,072
Vested (in shares) | shares (287,658)
Forfeited (in shares) | shares (73,686)
Ending balance (in shares) | shares 2,015,963
Weighted-Average Grant Date Fair Value (per unit)  
Beginning balance (in dollars per share) | $ / shares $ 31.06
Granted (in dollars per share) | $ / shares 30.34
Vested (in dollars per share) | $ / shares 27.84
Forfeited (in dollars per share) | $ / shares 38.81
Ending balance (in dollars per share) | $ / shares $ 31.10