Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Cash And Cash Equivalents [Line Items]
Cash	$ 787,725	$ 1,007,423
Cash equivalents	1,081	1,047
Cash and cash equivalents	788,806	1,008,470	$ 1,119,476
US$
Cash And Cash Equivalents [Line Items]
Cash and cash equivalents	764,765	957,824
RMB
Cash And Cash Equivalents [Line Items]
Cash and cash equivalents	21,056	45,486
Hong Kong dollar (“HK$”)
Cash And Cash Equivalents [Line Items]
Cash and cash equivalents	2,352	4,378
Australian dollar (“A$”)
Cash And Cash Equivalents [Line Items]
Cash and cash equivalents	553	598
Taiwan dollar (“TW$”)
Cash And Cash Equivalents [Line Items]
Cash and cash equivalents	$ 80	$ 184