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STOCK-BASED COMPENSATION - Restricted Stock Activity and Incentive Stock Awards Activity (Details)
 6 Months Ended
Jun. 30, 2022
$ / shares
shares
Weighted Average Grant Date Fair Value  
Outstanding, beginning of period (in dollars per share) | $ / shares $ 78.06
Granted (in dollars per share) | $ / shares 91.18
Vested (in dollars per share) | $ / shares 74.91
Adjustment for incentive stock awards expected to vest (in dollars per shares) | $ / shares 83.91
Canceled (in dollars per share) | $ / shares 78.42
Outstanding, end of period (in dollars per share) | $ / shares $ 84.25
Restricted Stock and Units  
Number of Shares  
Outstanding, beginning of period (in shares) 507,698
Granted (in shares) 439,683
Vested (in shares) (208,525)
Adjustment for incentive stock awards expected to vest (in shares) 0
Canceled (in shares) (21,812)
Outstanding, end of period (in shares) 717,044
Incentive Stock Units  
Number of Shares  
Outstanding, beginning of period (in shares) 607,101
Granted (in shares) 176,657
Vested (in shares) (43,039)
Adjustment for incentive stock awards expected to vest (in shares) 10,962
Canceled (in shares) (25,362)
Outstanding, end of period (in shares) 726,319