Fair Value Measurements - Summary of Company's Investments (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Investments, Amortized cost	$ 166,143	$ 134,903
Investments, Gross unrealized gains	1,074	673
Investments, Gross unrealized losses	(1,957)	(715)
Investments, at fair value	165,260	134,861
Corporate Debt [Member]
Schedule Of Available For Sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	55,447	24,705
Securities available-for-sale, Gross unrealized gains	88	55
Securities available-for-sale, Gross unrealized losses	(427)	(66)
Securities available-for-sale, Fair value	55,108	24,694
U.S. Treasuries [Member]
Schedule Of Available For Sale Securities [Line Items]
Trading securities, Amortized cost	100,484	99,236
Trading securities, Gross unrealized gains	86	446
Trading securities, Gross unrealized losses	(1,525)
Trading securities, Fair value	99,045	99,682
Mutual Funds Held In Rabbi Trust [Member]
Schedule Of Available For Sale Securities [Line Items]
Trading securities, Amortized cost	10,212	10,962
Trading securities, Gross unrealized gains	900	172
Trading securities, Gross unrealized losses	(5)	(649)
Trading securities, Fair value	$ 11,107	$ 10,485

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