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STOCK BASED COMPENSATION - Summary Of Changes In Company's Nonvested Shares (Details)
12 Months Ended
Dec. 31, 2021
$ / shares
shares
Restricted Stock  
Shares  
Beginning balance (in shares) | shares 5,000
Granted (in shares) | shares 14,950
Vested (in shares) | shares (18,450)
Ending balance (in shares) | shares 1,500
Weighted-Average Grant-Date Fair Value  
Beginning balance (in USD per share) | $ / shares $ 45.22
Granted (in USD per share) | $ / shares 59.26
Vested (in USD per share) | $ / shares 56.69
Ending balance (in USD per share) | $ / shares $ 44.10
Performance Stock Units  
Shares  
Beginning balance (in shares) | shares 157,515
Granted (in shares) | shares 212,475
Vested (in shares) | shares (83,216)
Forfeited (in shares) | shares (15,004)
Ending balance (in shares) | shares 271,770
Weighted-Average Grant-Date Fair Value  
Beginning balance (in USD per share) | $ / shares $ 44.85
Granted (in USD per share) | $ / shares 51.59
Vested (in USD per share) | $ / shares 45.64
Forfeited (in USD per share) | $ / shares 45.72
Ending balance (in USD per share) | $ / shares $ 49.83