Investments in Marketable Securities - Summary of Investments Classified As Available-For-Sale Securities (Parenthetical) (Detail)	Dec. 31, 2025 USD ($) Security	Dec. 31, 2024 USD ($) Security
Schedule of Available-for-sale Securities [Line Items]
Number of securities in unrealized gain position \| Security	176	197
Number of securities in unrealized loss position \| Security	59	132
Unrealized losses, aggregate	$ 88,000	$ 1,077,000
Short-term investments – available for sale	539,929,000	875,936,000
Unrealized gains, aggregate	932,000	802,000
Cash equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Short-term investments – available for sale	0	0
Corporate debt securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Unrealized losses, aggregate	85,000	860,000
Short-term investments classified as available-for-sale, noncurrent	105,000,000	0
Unrealized gains, aggregate	864,000	708,000
Government debt securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Unrealized losses, aggregate	3,000	217,000
Unrealized gains, aggregate	68,000	94,000
Maximum [Member]
Schedule of Available-for-sale Securities [Line Items]
Unrealized gains, individually	51,000	32,000
Unrealized losses, individually	11,000	66,000
Unrealized losses, aggregate	88,000	1,077,000
Unrealized gains, aggregate	$ 932,000	$ 802,000

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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