Long-Term Investments	12 Months Ended
	Dec. 31, 2022
Investments [Abstract]
Long-Term Investments	Long-Term Investments In July 2021, the Company made an equity investment in MacroGenics Inc. (“MacroGenics”), a biopharmaceutical company focused on developing and commercializing innovative monoclonal antibody-based therapeutics for the treatment of cancer, in a private placement with total contributions of $30,000 and obtained 958,467 newly issued common shares of MacroGenics at $31.30 per share. The Company recorded this investment at acquisition cost and subsequently measured it at fair value, with the changes in fair value recognized in other income (expenses), net in the consolidated statements of operations. The equity investments with readily determinable fair value are measured using level 1 inputs and were $6.4 million and $15.4 million as of December 31, 2022 and 2021, respectively. The Company recognized a fair value loss of $9.0 million, $14.6 million, and nil for 2022, 2021, and 2020, respectively.