Schedule of Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance			$ (256,359)
Foreign currency translation loss	$ 5,736	$ (4,044)	5,713	$ (4,647)
Current period other comprehensive income	5,736	(4,044)	5,713	(4,647)
Ending Balance	(242,276)	(164,492)	(242,276)	(164,492)
Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(54,666)	(53,671)	(54,643)	(53,068)
Foreign currency translation loss			5,713	(4,647)
Current period other comprehensive income			5,713	(4,647)
Ending Balance	$ (48,930)	$ (57,715)	$ (48,930)	$ (57,715)

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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