Investments in Marketable Securities - Summary of Investments Classified As Available-For-Sale Securities (Parenthetical) (Detail)	Sep. 30, 2023 USD ($) Security	Dec. 31, 2022 USD ($) Security
Schedule of Available-for-sale Securities [Line Items]
Number of securities in unrealized gain position | Security	10	0
Number of securities in unrealized loss position | Security	97	39
Unrealized losses, aggregate	$ 567,000	$ 842,000
Short-term investments – available for sale	339,056,000	118,853,000
Unrealized gains, aggregate	28,000
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]
Unrealized losses, aggregate	1,000
Short-term investments classified as available-for-sale, noncurrent	0	0
Unrealized gains, aggregate	1,000
Corporate debt securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Unrealized losses, aggregate	226,000	824,000
Short-term investments classified as available-for-sale, noncurrent	0	0
Unrealized gains, aggregate	26,000
Government debt securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Unrealized losses, aggregate	340,000	18,000
Short-term investments classified as available-for-sale, noncurrent	0	0
Unrealized gains, aggregate	1,000
Maximum [Member]
Schedule of Available-for-sale Securities [Line Items]
Unrealized gains, individually	19,000
Unrealized losses, individually	48,000	124,000
Unrealized losses, aggregate	567,000	$ 842,000
Unrealized gains, aggregate	$ 29,000