XML 90 R76.htm IDEA: XBRL DOCUMENT v3.7.0.1
INTANGIBLE ASSETS, NET (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
INTANGIBLE ASSETS, NET      
Gross Carrying Amount $ 17,315 $ 87,524  
Accumulated Amortization (8,893) (8,586)  
Total intangible assets, net 8,422 78,938  
Amortization expense 6,544 2,235 $ 1,559
Expected amortization expense of intangible assets      
2017 2,500    
2018 2,200    
2019 1,400    
2020 1,000    
2021 and thereafter 1,300    
Power purchase agreements      
INTANGIBLE ASSETS, NET      
Gross Carrying Amount   71,770  
Accumulated Amortization   (37)  
Total intangible assets, net   71,733  
Technical know-how      
INTANGIBLE ASSETS, NET      
Gross Carrying Amount 1,431 1,528  
Accumulated Amortization (1,183) (1,164)  
Total intangible assets, net 248 364  
Computer software      
INTANGIBLE ASSETS, NET      
Gross Carrying Amount 15,884 14,226  
Accumulated Amortization (7,710) (7,385)  
Total intangible assets, net $ 8,174 $ 6,841