Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 191,355	$ 173,553	$ 121,887
Other comprehensive income:
Foreign currency translation adjustment, net of taxes of $(299), $(467), and $2,275 respectively	19,708	(5,358)	(13,474)
Net unrealized gains/(losses) on foreign currency cash flow hedges, net of taxes of $(220), $- and $18, respectively	797	0	(160)
Less: Reclassification adjustment for realized losses/(gains) in current earnings, net of taxes of $(5), $-, and $(2), respectively	19	0	18
Other comprehensive income, net of tax	20,524	(5,358)	(13,616)
Comprehensive income	$ 211,879	$ 168,195	$ 108,271