Derivative Financial Instruments (Fair Value of Derivative Assets and Liabilities) (Details) - Level 2 [Member] - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Foreign Currency Derivatives [Abstract]
Derivative asset, gross	$ 1,581	$ 1,241
Derivative asset, netting of counterparty	(987)	(1,241)
Derivative asset, net	594
Derivative liability, gross	(987)	(1,647)
Derivative liability, netting of counterparty	$ 987	1,241
Derivative liability, net		$ (406)

Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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- References

No definition available.

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