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OTHER ASSETS
 12 Months Ended
Dec. 31, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
OTHER ASSETS
OTHER ASSETS
Other assets consist of the following as of December 31:
(in thousands)
 
2017
 
2016
 
 
 
 
 
Security deposits
 
$
5,304

 
$
5,508

Maintenance agreements, non-current portion
 
362

 
853

Restricted cash
 
3,837

 
4,127

Other
 
692

 
767

 
 
 
 
 
Total
 
$
10,195

 
$
11,255