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ACQUISITIONS AND DISPOSITIONS - Disposition - Others (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Aug. 18, 2017
Mar. 31, 2015
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Disposition          
Loss on deconsolidation of subsidiary     $ 529   $ 19,937
Deconsolidation of non-controlling interests     $ 529 $ (310) $ 20,013
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Aruba Subsidiary Transfer          
Disposition          
Gain on disposition $ 0        
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Assets And Liabilities Of Turks And Caicos Business          
Disposition          
Loss on deconsolidation of subsidiary   $ 19,900      
Deconsolidation of non-controlling interests   20,000      
Gain arising from excess of proceeds over the carrying value of net assets   $ 100