Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022
Cash And Cash Equivalents [Line Items]
Cash at bank and in hand	$ 878,786	$ 1,007,423
Cash equivalents	1,058	1,047
Cash and cash equivalents	879,844	1,008,470	$ 846,957
US$
Cash And Cash Equivalents [Line Items]
Cash and cash equivalents	836,981	957,824
RMB
Cash And Cash Equivalents [Line Items]
Cash and cash equivalents	38,278	45,486
Hong Kong dollar (“HK$”)
Cash And Cash Equivalents [Line Items]
Cash and cash equivalents	3,864	4,378
Australian dollar (“A$”)
Cash And Cash Equivalents [Line Items]
Cash and cash equivalents	588	598
Taiwan dollar (“TW$”)
Cash And Cash Equivalents [Line Items]
Cash and cash equivalents	$ 133	$ 184