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Stock-Based Compensation - Market-based Restricted Stock Units (Details) - Number of RSUs
6 Months Ended
Jun. 30, 2020
shares
Tranche 1 - $120 per share  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of MSUs (in shares) 565,192
Tranche 2 - $150 per share  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of MSUs (in shares) 565,191
Tranche 3 - $200 per share  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of MSUs (in shares) 565,191