Investment in Joint Venture - Summarized Activity Related to Investment in Joint Venture (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Equity Method Investments [Roll Forward]
Beginning Balance	$ 26,983
Share of earnings	1,395	$ (271)
Ending Balance	28,207
Joint Venture
Equity Method Investments [Roll Forward]
Beginning Balance	26,983
Share of earnings	1,395
Foreign currency translation loss	(171)
Ending Balance	$ 28,207

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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