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Income Taxes - Reconciliation of Statutory Federal Income Tax Rate to Our Effective Rate for Continuing Operations (Detail)
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Income Tax Disclosure [Abstract]        
Statutory federal income tax rate 21.00% 21.00% 21.00% 21.00%
State income taxes, net of federal income tax 2.60% 2.50% 2.50% 2.50%
Stock-based compensation windfall benefit (0.20%) (0.10%) (1.00%) (2.20%)
Permanent differences and other (0.10%) 0.40% (0.40%) 0.60%
Total effective rate for continuing operations 23.30% 23.80% 22.10% 21.90%