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Basis of Presentation and New Accounting Pronouncements (Detail) $ in Thousands	Dec. 31, 2017 USD ($)
Scenario, Forecast
Basis Of Presentation And New Accounting Pronouncements [Line Items]
Amount reclassified from prepaid expenses and other assets to other non-current assets	$ 4,390

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- Definition

Amount reclassified from prepaid expenses and other assets to other non-current assets.

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- Definition

Basis of presentation and new accounting pronouncements.

+ References

No definition available.

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