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Income Taxes - Additional Information (Detail)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Schedule Of Income Taxes [Line Items]        
U.S. federal and state statutory rate     24.50%  
Effective tax rate 15.60% 15.40% 19.00% 21.00%
Foreign Jurisdictions [Member] | Minimum [Member]        
Schedule Of Income Taxes [Line Items]        
Statutory federal rate     0.00%  
Foreign Jurisdictions [Member] | Maximum [Member]        
Schedule Of Income Taxes [Line Items]        
Statutory federal rate     34.00%