Fair Value of Financial Instruments - Foreign Currency Exchange Contracts Measured at Fair Value on Recurring Basis (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Foreign Currency Forward Contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign currency forward contracts — asset position	$ 90	$ 61
Foreign currency forward contracts — liability position	(1,553)	(766)
Total foreign currency derivative instruments	(19,385)	(3,461)
Currency Swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset, Current		6,163
Derivative Liability, Current		(25)
Interest Rate Swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability, Current	(17,922)	(8,894)
Level 1 \| Foreign Currency Forward Contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign currency forward contracts — asset position	0	0
Foreign currency forward contracts — liability position	0	0
Total foreign currency derivative instruments	0	0
Level 1 \| Currency Swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset, Current		0
Derivative Liability, Current		0
Level 1 \| Interest Rate Swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability, Current	0	0
Level 2 \| Foreign Currency Forward Contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign currency forward contracts — asset position	90	61
Foreign currency forward contracts — liability position	(1,553)	(766)
Total foreign currency derivative instruments	(19,385)	(3,461)
Level 2 \| Currency Swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset, Current		6,163
Derivative Liability, Current		(25)
Level 2 \| Interest Rate Swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability, Current	(17,922)	(8,894)
Level 3 \| Foreign Currency Forward Contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign currency forward contracts — asset position	0	0
Foreign currency forward contracts — liability position	0	0
Total foreign currency derivative instruments	0	0
Level 3 \| Currency Swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset, Current		0
Derivative Liability, Current		0
Level 3 \| Interest Rate Swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability, Current	$ 0	$ 0

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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