Consolidated Statements of Comprehensive Income Statement - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 146,509	$ 148,551	$ 132,884
Other comprehensive (loss) income:
Net foreign currency translation adjustment	4,262	(3,936)	4,237
Derivative instrument adjustment	(534)	(1,108)	0
Total comprehensive income	$ 150,237	$ 143,507	$ 137,121