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Stock Based Compensation - Additional Information (Detail)
1 Months Ended
Feb. 29, 2020
Jan. 31, 2020
consecutive_trading_day
shares
Performance Stock Options (PSOs) | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares available for issuance (in shares) | shares   575,625
Market-Based Performance Stock Units (M-PSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares available for issuance (in shares) | shares   865,500
Contingent right to receive share (in shares) | shares   1
Vesting period (in years)   3 years
Tranche One | Market-Based Performance Stock Units (M-PSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Annual vesting percentage 33.33%  
Threshold consecutive trading days | consecutive_trading_day   20
Average closing price compared to grant date closing price, percentage increase   50.00%
Tranche Two | Market-Based Performance Stock Units (M-PSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Annual vesting percentage 33.33%  
Threshold consecutive trading days | consecutive_trading_day   20
Average closing price compared to grant date closing price, percentage increase   100.00%
Tranche Three | Market-Based Performance Stock Units (M-PSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Annual vesting percentage 33.33%  
Threshold consecutive trading days | consecutive_trading_day   20
Average closing price compared to grant date closing price, percentage increase   150.00%