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Financial Instruments - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Derivative [Line Items]
Maximum length of time to hedge exposure to foreign currency exchange risk	1 year
Foreign Currency Derivatives
Derivative [Line Items]
Notional Value	$ 14,449,000	$ 33,250,000
Interest Rate Swap
Derivative [Line Items]
Hedge Ineffectiveness Incurred	$ 0	$ 0

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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.

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Amount of gain (loss) from the ineffectiveness of the hedge.

+ References

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-Publisher FASB
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Nominal or face amount used to calculate payment on derivative.

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-Publisher FASB
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Maximum period of time the entity is hedging its exposure to variability in future cash flows for forecasted transactions, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Excludes forecasted transactions related to payment of variable interest on existing financial instruments.

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