Stock Incentive Plans - Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Detail) - 2021 Employee Stock Purchase Plan [Member]	9 Months Ended
	Sep. 30, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected term (in years)	6 months
Expected dividend yield	0.00%
Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected volatility	22.00%
Risk-free interest rate	4.20%
Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected volatility	23.00%
Risk-free interest rate	5.30%