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Investments in Foreign Joint Venture - Schedule of Activity in Investment in Foreign Joint Ventures (Parenthetical) (Detail) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
BOMAY
Schedule Of Equity Method Investments [Line Items]
Accumulated statutory reserves in equity method investments	$ 2,810	$ 2,810

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- Definition

Equity method investment summarized financial information accumulated statutory reserve.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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