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Segment Information (Tables)
12 Months Ended
Dec. 31, 2014
SEGMENT INFORMATION [Abstract]  
Segments Summarized Financial Information
 
Year Ended
 
Year Ended
 
Year Ended
December 31,
 
December 31,
December 31,
2014
 
2013
2012
Asia
125,572
 
119,776
  
 $
151,608
Europe
 
64,858
 
 
48,906
  
 
29,658
North America
 
19,943
 
 
21,334
  
 
15,968
Australia
 
16,983
 
 
8,143
  
 
8,201
Total
$
227,356
 
$
198,159
  
$
205,435