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Consolidated Statements of Comprehensive Income - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Consolidated Statements of Comprehensive Income [Abstract]      
Net income $ 51,776 $ 62,870 $ 36,741
Reclassification of cumulative currency translation adjustment to income, net of tax
Foreign currency translations, net of tax (1,618) 295 457
Comprehensive income $ 50,158 $ 63,165 $ 37,198