Condensed Consolidating Statements of Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Condensed Statement Of Income Captions [Line Items]
Net income	$ 8,301	$ 18,085
Foreign currency translation adjustment	(14,385)	5,105
Comprehensive (loss) income	(6,084)	23,190
Guarantors
Condensed Statement Of Income Captions [Line Items]
Net income	4,483	14,824
Comprehensive (loss) income	4,483	14,824
Non-Guarantors
Condensed Statement Of Income Captions [Line Items]
Net income	3,818	3,261
Foreign currency translation adjustment	(14,385)	5,105
Comprehensive (loss) income	$ (10,567)	$ 8,366