Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2021

Capital Commitments [Abstract]

Summary of Capital Commitments

The Group had the following capital commitments at the end of the year:

	2021		2020		2019
	US$’000		US$’000		US$’000
Construction in progress		25,897		33,637		2,844