INCOME TAXES (DETAILS 3) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Singapore [Member]
Operating Loss And Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	$ 83,532	$ 102,430
Australia [Member]
Operating Loss And Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	147,193	121,575
Australia [Member] | Capital loss carryforward [Member]
Operating Loss And Tax Credit Carryforwards [Line Items]
Capital loss carryforwards	4,207	4,207
United Kingdom [Member]
Operating Loss And Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	19,306	22,002
Switzerland [Member]
Operating Loss And Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	0	378
Ireland [Member]
Operating Loss And Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	0	3,258
Ireland foreign tax credit	3,298	6,073
Ireland [Member] | Capital loss carryforward [Member]
Operating Loss And Tax Credit Carryforwards [Line Items]
Capital loss carryforwards	716	716
U.S. [Member]
Operating Loss And Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	14,221	0
U.S. alternative minimum tax credit	$ 6,840	$ 6,888