Derivative Instruments (Notional and Fair Value of Derivative Instruments) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Interest Rate Swap - LT [Member]
Derivatives, Fair Value [Line Items]
Current Notional Amount		$ 37,593
Foreign Exchange Contract 1 [Member]
Derivatives, Fair Value [Line Items]
Current Notional Amount		3,232
Foreign Exchange Contract 2 [Member]
Derivatives, Fair Value [Line Items]
Current Notional Amount		28,219
Current Liabilities [Member] | Foreign Exchange Contract 1 [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives, fair value		(298)
Current Liabilities [Member] | Embedded Derivative [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives, fair value	$ (1,040)
Other Long-term Liabilities [Member] | Interest Rate Swap - LT [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives, fair value		(3,021)
Other Long-term Liabilities [Member] | Embedded Derivative [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives, fair value	$ (121)
Other Long-term Liabilities [Member] | Foreign Exchange Contract 2 [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives, fair value		$ (4,029)