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Segment and Geographic Information - Schedule of Segment and Geographic Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Segment Reporting Information [Line Items]        
Total Revenues $ 77,513 $ 58,053 $ 138,416 $ 110,096
Colombia [Member]        
Segment Reporting Information [Line Items]        
Total Revenues 28,300 21,869 46,878 39,251
United States [Member]        
Segment Reporting Information [Line Items]        
Total Revenues 45,474 33,344 82,640 65,022
Panama [Member]        
Segment Reporting Information [Line Items]        
Total Revenues 1,511 1,355 4,425 2,823
Others [Member]        
Segment Reporting Information [Line Items]        
Total Revenues $ 2,228 $ 1,485 $ 4,473 $ 3,000