COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure of commitments and contingencies [Abstract]

Schedule of Future Minimum Operating Lease Commitments with Non-Cancellable

Future minimum operating lease commitments with non-cancellable terms in excess of one year are as follows:

	Year ended
	2017
	Operating leases
	US$’000
2018		2,693
2019		2,409
2020		1,947
2021		1,776
2022		1,654
Later years		11,660
Total lease obligations		22,139
	Year ended
	2016
	Operating leases
	US$’000
2017		3,215
2018		2,483
2019		2,183
2020		1,855
2021		1,261
Later years		11,451
Total lease obligations		22,448