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CASH, CASH EQUIVALENTS AND OTHER INVESTMENTS - NON CURRENT AND CURRENT
12 Months Ended
Dec. 31, 2018
Cash, cash equivalents and other investments [Abstract]  
CASH, CASH EQUIVALENTS AND OTHER INVESTMENTS - NON CURRENT AND CURRENT
 
As of December 31,
 
2018
 
2017
 
 
 
 
Investments in companies under cost method
252

 
252

Investments in debt instruments
6,943

 
3,128

 
 
 
 
Other investments, net – Non-current
7,195

 
3,380


 
As of December 31,
 
2018
 
2017
 
 
 
 
(i) Other investments
 
 
 
Other deposits with maturity of more than three months
44,529

 
132,736

 
 
 
 
Other investments - Current
44,529

 
132,736

(ii) Cash and cash equivalents
 
 
 
Cash and banks
87,863

 
100,739

Restricted cash
2,216

 
50

Short-term bank deposits
140,456

 
229,239

Other deposits with maturity of less than three months
20,006

 
7,751

 
 
 
 
Cash and cash equivalents
250,541

 
337,779