Derivative Instruments and Hedging Activities - Summary of Derivative Financial Instruments that are Not Designated as Hedging Instruments (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Derivative [Line Items]
Amount of (Gain) or Loss Recognized in income on derivatives	$ 113	$ (66)	$ 151	$ 9,587
(Gain) Loss on Interest Rate Swaps [Member]
Derivative [Line Items]
Amount of (Gain) or Loss Recognized in income on derivatives, Interest rate swaps	112	(49)	199	9,604
Selling General and Administrative [Member]
Derivative [Line Items]
Amount of (Gain) or Loss Recognized in income on derivatives, Foreign exchange contracts	0	(9)	(20)	(9)
Cost of Revenues [Member]
Derivative [Line Items]
Amount of (Gain) or Loss Recognized in income on derivatives, Foreign exchange contracts	$ 1	$ (8)	$ (28)	$ (8)