Derivative Financial Instruments (Schedule of Fair Values of the Company's Derivative Instruments and the Line Items on the Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Gross Amounts of recognized assets	$ 152	$ 786
Gross Amounts of recognized liabilities	525	368
Prepaid expenses and other current assets | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Gross Amounts of recognized assets	109	784
Prepaid expenses and other current assets | Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Gross Amounts of recognized assets	43	2
Other accrued liabilities | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Gross Amounts of recognized liabilities	493	331
Other accrued liabilities | Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Gross Amounts of recognized liabilities	$ 32	$ 37