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The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the aggregate value of each identified investment accounted for under the equity method of accounting based on the quoted market price for those investments in common stock for which a quoted market price is available.

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Amount of gain (loss) on sale or disposal of an equity method investment.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.

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Dividends received on equity and other investments during the current period.

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The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Equity Investments - Additional Information (Detail) R$ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($) $ / $	Dec. 31, 2017 USD ($) $ / $	Dec. 31, 2016 USD ($) $ / $	Dec. 31, 2016 BRL (R$) $ / $	Feb. 09, 2012 USD ($)
Schedule of Equity Method Investments [Line Items]
Equity in earnings (losses), net of taxes	$ 660,000	$ 407,000	$ 748,000
Currency translation losses recognized upon the sales of equity interest			$ (378,000)
Asset impairment charges	$ 200,000
GS Internacional S/A
Schedule of Equity Method Investments [Line Items]
Equity interest, percentage sold			40.00%	40.00%
Currency translation losses recognized upon the sales of equity interest			$ 378,000
Sales proceeds from disposal of equity method investment			567,000	R$ 2.3
Gain on disposal of equity method investment			189,000
Grupo Vasconia S.A.B.
Schedule of Equity Method Investments [Line Items]
Percentage of ownership in equity method investment	30.00%
Exchange rate at period end - MXN to USD \| $ / $	19.64	19.68
Increase (Decrease) in equity method investment	$ 1,900,000	$ 1,000,000
Cash dividend received	115,000	28,000	205,000
Equity in earnings (losses), net of taxes	900,000	400,000	600,000
Equity in earnings, deferred taxes	100,000	200,000	$ 500,000
Fair value of investment	31,900,000
Carrying value of investment	22,600,000
Grupo Vasconia S.A.B. \| Prepaid expenses and other current assets
Schedule of Equity Method Investments [Line Items]
Due from related party	$ 95,000	$ 64,000
Grupo Vasconia S.A.B. \| Transaction 02 \| Minimum
Schedule of Equity Method Investments [Line Items]
Average daily exchange rate for period - MXN to USD \| $ / $	18.71	17.81	18.02	18.02
Grupo Vasconia S.A.B. \| Transaction 02 \| Maximum
Schedule of Equity Method Investments [Line Items]
Average daily exchange rate for period - MXN to USD \| $ / $	19.81	20.30	19.85	19.85
Grand Venture
Schedule of Equity Method Investments [Line Items]
Percentage of ownership in equity method investment					50.00%
Carrying value of investment	$ 0	$ 228,000
Payment for equity method investment					$ 500,000