CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 5,451	$ 42,017	$ 27,523
Other comprehensive income (loss):
Cash flow hedges	(5,456)	64	901
Income tax benefit (expense)	1,404	(16)	(350)
Foreign currency translation adjustment	(18)	(3,606)	3,117
Income tax benefit (expense)	61	(9)	(252)
Total other comprehensive income (loss)	(4,009)	(3,567)	3,416
Total comprehensive income	$ 1,442	$ 38,450	$ 30,939