Commitments and contingencies (Tables)

6 Months Ended

Jun. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of future rental payments under operating leases

uture rental payments as at June 30, 2017 under operating leases in respect of equipment rentals and leased premises are payable as follows:

	$’000
Remainder of 2017	6,360
2018	12,338
2019	10,938
2020	11,063
2021	11,795
2022	9,615
2023 and thereafter	141,971
Future rental payments under operating leases	204,080