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OTHER RECEIVABLES, PREPAID EXPENSES AND ACCRUED INCOME (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
May 31, 2013
OTHER RECEIVABLES, PREPAID EXPENSES AND ACCRUED INCOME [Abstract]      
Prepaid expenses $ 3,580 $ 3,119  
Other receivables 17,697 12,102  
Corporation tax receivable 3,476 2,277  
Other receivables, prepaid expenses and accrued income 24,753 17,498  
DCLAP claim      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans receivable, net $ 6,400 $ 8,100 $ 12,000