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Stock Plans and Stock-Based Compensation - Summary of RSU and PSU Activity (Details) - Restricted Stock Units and Performance-Based Restricted Stock Units
12 Months Ended
Dec. 31, 2020
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Number of Shares, Outstanding, Beginning Balance 1,314,791
Number of Shares, Granted 648,962
Number of Shares, Vested (451,879)
Number of Shares, Forfeited (91,333)
Number of Shares, Outstanding, Ending Balance 1,420,541