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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 |

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