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Income Taxes (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2021
Income Taxes [Line Items]          
Income tax expense $ 8,118 $ 7,556 $ 18,061 $ 15,073  
Effective tax rate 27.00% 27.50% 27.20% 27.40%  
Increase in effective tax rate     0.10%    
Statutory Effective Tax Rate          
Income Taxes [Line Items]          
U.S. federal statutory rate     21.00%    
State income tax rate, net of federal benefit     2.90%    
Forecast          
Income Taxes [Line Items]          
Effective tax rate         27.10%