Investments - Schedule of Equity Investments with and without Readily Determinable Fair Values Assessed (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Equity Securities Without Readily Determinable Fair Value [Line Items]
Equity investment without readily determinable fair values assessed under the measurement alternative:	$ 7,692	$ 5,588
Reneo | Common Stock
Equity Securities Without Readily Determinable Fair Value [Line Items]
Equity investment with readily determinable fair value:	3,447	1,343
Anteris Bio Inc | Preferred Stock
Equity Securities Without Readily Determinable Fair Value [Line Items]
Equity investment without readily determinable fair values assessed under the measurement alternative:	$ 4,245	$ 4,245