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Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Statement of Comprehensive Income [Abstract]        
Net income $ 2,825 $ 13,852 $ 5,024 $ 27,486
Other comprehensive income (loss) - Cumulative translation adjustment (1,247) 1,282 (433) (2,262)
Comprehensive income $ 1,578 $ 15,134 $ 4,591 $ 25,224