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Stock Plans - Additional Information (Details)
3 Months Ended
Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage of target award based on achieving specified performance targets 135.70%
Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage of target award based on achieving targeted performance conditions 0.00%
Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage of target award based on achieving targeted performance conditions 200.00%
Performance Shares  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 3 years
Fair value assumptions, average closing price used to calculate expected dividend rate, period (years) 1 year
Stock beta, daily price data period (years) 10 years