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Equity Based Plans - Restricted Stock Cancelled Due to Employee Terminations Prior to Restrictions Lapsing (Details) - Restricted Stock [Member] - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation [Abstract]      
Number of shares (in shares) 439 10,037 1,578
Weighted average fair value (in dollars per share) $ 113.80 $ 102.52 $ 87.88