Fair Value Measurements - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Contingent consideration payable	$ 1.6
Proceeds from the sales and maturities of securities available-for-sale	0.0	$ 5.5
Net unrealized (losses) gains on trading securities	$ 1.0	$ 0.4
Minimum [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Business combination, contingent consideration payment period	18 months
Maximum [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Business combination, contingent consideration payment period	24 months