Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Income Tax [Line Items]
Deferred tax assets, valuation allowance	$ 22.2		$ 22.5
Decrease in unrecognized tax positions	6.4
Valuation allowance attributable to the unrealized holding loss on available for sale short-term investments	$ 1.0		$ 1.3
Effective tax rate impact associated with stock-based compensation and previously recorded tax reserves	0.80%	0.50%
Interest and penalties	$ 2.6