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Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Statement of Comprehensive Income [Abstract]        
Net income $ 11,182 $ 11,163 $ 38,668 $ 21,560
Other comprehensive income - Cumulative translation adjustment (10) (2,858) (2,272) (2,695)
Comprehensive income $ 11,172 $ 8,305 $ 36,396 $ 18,865