Income Tax - Schedule of Reconciliation of Net Deferred Tax Liabilities to Financial Instrument (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Components of Deferred Tax Assets and Liabilities [Abstract]
Deferred income tax liability per balance sheet	$ (68,883)	$ (38,778)
Net deferred tax liabilities	$ (68,883)	$ (38,778)

Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent.

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
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Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 45
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant