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Stockholders' Equity - 2021 PSU Grants with Financial and Strategic Performance Targets (Details)
3 Months Ended
Mar. 31, 2021
$ / shares
shares
PSUs with Financial and Strategic Performance Targets  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period 3 years
Grants in period (in shares) | shares 278,644
Grant date fair value (in dollars per share) | $ / shares $ 99.05
Conversion ratio 1
Restricted Stock Units (RSUs) | Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period 3 years
Restricted Stock Units (RSUs) | Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period 4 years