Derivatives (Fair Value of Company's Other Derivatives) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Not designated as hedging \| Other Long-term Liabilities \| Interest rate contract
Derivative [Line Items]
Derivative liabilities	$ (353)	$ (1,244)
Not designated as hedging \| Other Current Assets \| Foreign Exchange Contract
Derivative [Line Items]
Derivative assets	(1,122)	426
Designated as Hedging Instrument \| Other Long-term Liabilities
Derivative [Line Items]
Interest Rate Fair Value Hedge Liability at Fair Value	$ 168	$ 0

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, after the effects of master netting arrangements, of a 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. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

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Fair value as of the balance sheet date of all derivative liabilities designated as interest rate fair value hedging instruments.

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