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Share-Based Compensation - Summary of SAR's Outstanding (Details) - SARs - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
SARs, Shares Outstanding      
Outstanding at beginning of year (in shares) 638,124 896,923 1,261,185
Granted (in shares) 0 69,742 70,141
Exercised (in shares) (159,035) (295,770) (395,015)
Forfeited (in shares) (4,938) (31,193) (39,388)
Expired (in shares) 0 (1,578) 0
Outstanding at end of year (in shares) 474,151 638,124 896,923
Exercisable at end of year (in shares) 383,273 417,856 489,357
Weighted-Average Grant Date Exercise Price      
Outstanding at beginning of year (in USD per share) $ 113.98 $ 89.05 $ 75.71
Granted (in USD per share) 0 253.62 205.12
Exercised (in USD per share) 89.87 67.96 66.82
Forfeited (in USD per share) 213.80 149.09 92.72
Expired (in USD per share) 0 166.52 0
Outstanding at end of year (in USD per share) 121.05 113.98 89.05
Exercisable at end of year (in USD per share) $ 97.29 $ 81.88 $ 70.37