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Equity Incentive Plans and Stock-Based Compensation - Stock-based Compensation/Stock Repurchase Program (Details)
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
Share-based Payment Arrangement [Abstract]  
Total compensation expense related to unvested awards granted, not yet recognized $ 24.4
Total compensation expense related to unvested awards granted, not yet recognized weighted-average period for recognition (in years) 2 years 8 months 12 days