Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Line Items]
Amortization expense associated with identifiable intangible assets	$ 19.8	$ 18.6	$ 16.4
Estimated total amortization expense 2025	16.8
Estimated total amortization expense 2026	15.1
Estimated total amortization expense 2027	13.7
Estimated total amortization expense 2028	12.2
Estimated total amortization expense 2029	11.2
Indefinite-lived Intangible Assets [Member]
Goodwill [Line Items]
Goodwill and intangible assets with indefinite lives	$ 236.7	$ 236.7