Other intangible assets (Tables)

3 Months Ended

Mar. 31, 2014

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Schedule of other intangible assets

Other intangible assets consist of the following as of March 31, 2014:

	Favorable lease assets	Internet sites	Trade names	Total
	$'000	$'000	$'000	$'000
Carrying amount:
Balance at January 1, 2014	8,660	1,723	7,100	17,483
Foreign currency translation adjustment	218	10	—	228
Balance at March 31, 2014	8,878	1,733	7,100	17,711
Accumulated amortization:
Balance at January 1, 2014	2,268	1,063		3,331
Charge for the period	33	35		68
Foreign currency translation adjustment	55	6		61
Balance at March 31, 2014	2,356	1,104		3,460
Net book value:
At March 31, 2014	6,522	629	7,100	14,251
At December 31, 2013	6,392	660	7,100	14,152