XML 35 R24.htm IDEA: XBRL DOCUMENT v3.7.0.1
Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2017
Finite-Lived Intangible Assets [Line Items]      
Beginning Balance $ 46,549    
Additions 5    
Net foreign currency translation 6    
Amortization expense (2,199) $ (2,224)  
Ending Balance 44,361    
March 31, 2017 balance at cost     $ 79,048
Accumulated amortization     (34,687)
Ending Balance 44,361   44,361
Capitalized Technology [Member]      
Finite-Lived Intangible Assets [Line Items]      
Beginning Balance 11,392    
Additions 0    
Net foreign currency translation 3    
Amortization expense (1,115)    
Ending Balance 10,280    
March 31, 2017 balance at cost     38,029
Accumulated amortization     (27,749)
Ending Balance 10,280   10,280
Customer Relationships [Member]      
Finite-Lived Intangible Assets [Line Items]      
Beginning Balance 24,774    
Additions 0    
Net foreign currency translation 3    
Amortization expense (438)    
Ending Balance 24,339    
March 31, 2017 balance at cost     27,767
Accumulated amortization     (3,428)
Ending Balance 24,339   24,339
Other [Member]      
Finite-Lived Intangible Assets [Line Items]      
Beginning Balance 10,383    
Additions 5    
Net foreign currency translation 0    
Amortization expense (646)    
Ending Balance 9,742    
March 31, 2017 balance at cost     13,252
Accumulated amortization     (3,510)
Ending Balance $ 9,742   $ 9,742