Fair Value Measurements - Additional Information (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($) Position	Dec. 31, 2023 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Accrued interest receivable on available-for-sale	$ 0.3	$ 0.3
Available for sale investments number of positions | Position	28
Available-for-sale, investments in unrealized loss positions, number of positions | Position	24
Available-for-sale, investments in unrealized loss positions, greater than 12 months | Position	1
Available-for-sale, investments in unrealized loss positions, greater than twelve months, market value	$ 2.0
Maximum [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale investments effective maturity period	2 years
Short-term investments	$ 1.0
Minimum [Member]
Schedule of Available-for-sale Securities [Line Items]
Short-term investments	$ 76.7
Available-for-sale investments gross unrealized loss positions, period	12 months