Income Taxes - Reconciliation of Statutory Federal Income Tax Rate to Our Effective Rate for Continuing Operations (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 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	2.40%	2.50%	2.40%	2.50%
Stock-based compensation windfall benefit	(0.70%)	(2.30%)	(1.40%)	(3.20%)
Permanent differences and other		0.10%	(0.40%)	0.70%
Total effective rate for continuing operations	22.70%	21.30%	21.60%	21.00%