Fair Value Measurements - Summary of Company's Investments (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2026	Dec. 31, 2025
Schedule Of Available For Sale Securities [Line Items]
Investments, Amortized cost	$ 170,593	$ 169,160
Investments, Gross unrealized gains	816	1,588
Investments, Gross unrealized losses	(601)	(71)
Investments, at fair value	170,808	170,677
Corporate Debt [Member]
Schedule Of Available For Sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	60,076	58,110
Securities available-for-sale, Gross unrealized gains	115	333
Securities available-for-sale, Gross unrealized losses	(128)	(3)
Securities available-for-sale, Fair value	60,063	58,440
U.S. Treasuries [Member]
Schedule Of Available For Sale Securities [Line Items]
Trading securities, Amortized cost	100,447	100,487
Trading securities, Gross unrealized gains	0	329
Trading securities, Gross unrealized losses	(428)	(44)
Trading securities, Fair value	100,019	100,772
Mutual Funds Held In Rabbi Trust [Member]
Schedule Of Available For Sale Securities [Line Items]
Trading securities, Amortized cost	10,070	10,563
Trading securities, Gross unrealized gains	701	926
Trading securities, Gross unrealized losses	(45)	(24)
Trading securities, Fair value	$ 10,726	$ 11,465

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