Investments - Additional Information (Detail)		1 Months Ended		12 Months Ended
	Jun. 27, 2024	Jan. 31, 2022 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Jun. 30, 2024 USD ($)
Schedule Of Investments [Line Items]
Accretion of investments, net of amortization				$ 7,300,000	$ 1,600,000	$ 700,000
Purchase of available-for-sale securities				7,006,000		5,000,000
Allowance for credit losses				0	0
Convertible Promissory Note | Thirona Bio, Inc.
Schedule Of Investments [Line Items]
Interest on available for sale investment				$ 0	$ 500,000	500,000
Purchase of available-for-sale securities		$ 5,000,000	$ 3,000,000
Interest rate			6.00%
Principal amount							$ 8,000,000
Increased interest rate	10.00%
Hypothetical yield percentage				28	35
Volatility percentage				70	90
Investment securities				$ 6,300,000	$ 6,900,000
Unrealized holding gain or loss				900,000	0	0
Recognized loss				1,600,000
Allowance for credit losses					200,000	$ 900,000
Prepaid Expenses and Other Current Assets
Schedule Of Investments [Line Items]
Accrued interest receivable				$ 1,000,000	$ 500,000