Fair Value Measurements - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest-bearing cash equivalent consisted of money market fund	$ 270.5	$ 77.2
Interest-bearing cash equivalent consisted of investment-grade U.S.Treasury securities	$ 5.0	$ 5.0
Investment Instruments [Member] | Credit Concentration Risk [Member] | Money Market Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage of concentration risk	98.20%	93.90%
Investment Instruments [Member] | Credit Concentration Risk [Member] | US Treasury Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage of concentration risk	1.80%	6.10%