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Share-Based Compensation - Schedule of Grants (Details) - Restricted Stock - 2015 Equity Plan - $ / shares
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Time Based | Key Employees    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares granted (in shares) 220,258 138,510
Grant date fair value per share (in dollars per share) $ 137.16 $ 180.49
Time Based | Executive Officers    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares granted (in shares) 62,800 66,000
Grant date fair value per share (in dollars per share) $ 144.88 $ 178.20
Time Based | Directors    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares granted (in shares) 16,000 11,900
Grant date fair value per share (in dollars per share) $ 148.12 $ 197.00
Market Condition | Key Employees    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares granted (in shares) 82,200 91,500
Grant date fair value per share (in dollars per share) $ 108.60 $ 124.88