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Income Taxes (Details 1) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Current income tax        
Foreign $ 4,328 $ 1,900 $ 9,257 $ 4,416
Deferred income tax        
Foreign (697) 363 (854) 818
Total Provision for Income tax $ 3,631 $ 2,263 $ 8,403 $ 5,234