Long-Term Investments (Details) - USD ($)	1 Months Ended	12 Months Ended
	Jul. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Equity And Cost Method Investments
Fair value loss on equity investments with readily determinable fair value		$ 8,952,000	$ 14,617,000	$ 0
MacroGenics
Equity And Cost Method Investments
Issuance of common stock (in shares)	958,467
Issue price per share (in dollars per share)	$ 31.30
MacroGenics
Equity And Cost Method Investments
Capital contribution commitment	$ 30,000,000
Fair value loss on equity investments with readily determinable fair value		$ 9,000,000.0	$ 14,600,000	$ 0