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Investments in Marketable Securities - Summary of Investments Classified As Available-For-Sale Securities (Parenthetical) (Detail) | Mar. 31, 2024 USD ($) Security | Dec. 31, 2023 USD ($) Security
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Schedule of Available-for-sale Securities [Line Items] |  |
Number of securities in unrealized gain position | Security | 18 | 49
Number of securities in unrealized loss position | Security | 248 | 115
Unrealized losses, aggregate | $ 1,259,000 | $ 254,000
Short-term investments – available for sale | 767,397,000 | 306,563,000
Unrealized gains, aggregate | 46,000 | 156,000
Cash equivalents [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Short-term investments – available for sale | 0 | 0
Commercial paper [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Short-term investments classified as available-for-sale, noncurrent | 190,900,000 | 0
Corporate debt securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Unrealized losses, aggregate | 914,000 | 128,000
Short-term investments classified as available-for-sale, noncurrent | 190,900,000 | 0
Unrealized gains, aggregate | 46,000 | 148,000
Government debt securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Unrealized losses, aggregate | 345,000 | 126,000
Short-term investments classified as available-for-sale, noncurrent | 190,900,000 | 0
Unrealized gains, aggregate |  | 8,000
Maximum [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Unrealized gains, individually | 21,000 | 37,000
Unrealized losses, individually | 38,000 | 23,000
Unrealized losses, aggregate | 1,274,000 | 258,000
Unrealized gains, aggregate | $ 47,000 | $ 158,000

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