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GOODWILL AND INTANGIBLE ASSETS (DETAILS) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2015
Sep. 30, 2015
Sep. 30, 2014
Goodwill [Roll Forward]      
Goodwill net balance, opening $ 47,148    
Acquisition of Ternian, goodwill 0    
Impairment charges, goodwill 0    
Goodwill net balance, closing 47,148    
Goodwill, gross   $ 42,237  
Accumulated foreign currency translation adjustment, goodwill   4,911  
Goodwill, net 47,148 47,148  
Intangible Assets with an Indefinite Life [Roll Forward]      
Intangible assets with an indefinite life net balance, opening 26,036    
Acquisition of Ternian, intangible assets with an indefinite life 0    
Impairment charges, intangible assets with an indefinite life 0    
Intangible assets with an indefinite life net balance, closing 26,036    
Intangible assets with an indefinite life, gross   26,036  
Accumulated foreign currency translation adjustment, intangible assets with an indefinite life   0  
Intangible assets with an indefinite life, net 26,036 26,036  
Intangible Assets with a Finite Life [Roll Forward]      
Intangible assets with a finite life net balance, opening 15,776    
Amortization, intangible assets with a finite life (2,022)    
Intangible assets with a finite life net balance, closing 14,145    
Intangible assets with a finite life, gross   29,166  
Accumulated amortization, intangible assets with a finite life   (15,021)  
Accumulated foreign currency translation adjustment, intangible assets with a finite life   0  
Intangible assets with a finite life, net 15,776 14,145  
Goodwill and Intangible Assets [Roll Forward]      
Goodwill and intangible assets net balance, opening 88,960    
Amortization, intangible assets with a finite life (2,022)    
Goodwill and intangible assets net balance, closing 87,329    
Goodwill and intangible assets, gross   97,439  
Accumulated amortization, intangible assets with a finite life   (15,021)  
Accumulated foreign currency translation, goodwill and intangible assets   4,911  
Goodwill and intangible assets, net 88,960 $ 87,329 $ 88,740
Ternian [Member]      
Intangible Assets with a Finite Life [Roll Forward]      
Acquisition of Ternian, intangible assets with a finite life 13,330    
Goodwill and Intangible Assets [Roll Forward]      
Acquisition of Ternian, goodwill and intangible assets 13,330    
Dexta [Member]      
Intangible Assets with a Finite Life [Roll Forward]      
Impairment charges, intangible assets with a finite life (12,939)    
Goodwill and Intangible Assets [Roll Forward]      
Impairment charges, goodwill and intangible assets $ (12,939)