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
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