v3.22.0.1
COMPENSATION PLANS - Summary of Unvested Restricted Stock (Details) - Restricted Stock - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Shares      
Unvested beginning of year (in shares) 790 738 606
Granted during the year (in shares) 371 309 378
Vested during the year (in shares) (198) (178) (230)
Forfeited during the year (in shares) (34) (79) (16)
Unvested, end of year (in shares) 929 790 738
Weighted-Average Grant Date Stock Price      
Unvested beginning of year (in USD per share) $ 50.39 $ 49.65 $ 48.56
Granted during the year (in USD per share) 67.27 55.03 39.74
Vested during the year (in USD per share) 60.05 52.80 30.46
Forfeited during the year (in USD per share) 50.37 55.87 50.49
Unvested, end of year (in USD per share) $ 55.06 $ 50.39 $ 49.65