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Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Income Tax Disclosure [Line Items]          
Effective tax rate 25.70% 26.50% 24.50% 24.80%  
Income tax rate at federal statutory rates 21.00% 21.00% 21.00% 21.00%  
Accrued income taxes $ 2.1   $ 2.1    
Percentage of corporate alternative minimum tax 15.00%   15.00%    
Percentage of excise tax on stock repurchases 1.00%   1.00%    
State Tax Credit Carry Forwards [Member]          
Income Tax Disclosure [Line Items]          
Deferred tax assets, valuation allowance $ 5.0   $ 5.0   $ 5.0