Derivative Financial Instruments - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Recurring [Member] - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Assets:
Forward Currency Contracts	$ 761	$ 88
Total Derivative Assets		88
Liabilities:
Interest Rate Swap	737	729
Total Derivative Liabilities		729
Level 1 [Member]
Assets:
Forward Currency Contracts	0	0
Total Derivative Assets	0	0
Liabilities:
Interest Rate Swap	0	0
Total Derivative Liabilities	0	0
Level 2 [Member]
Assets:
Forward Currency Contracts	761	88
Total Derivative Assets	761	88
Liabilities:
Interest Rate Swap	737	729
Total Derivative Liabilities	737	729
Level 3 [Member]
Assets:
Forward Currency Contracts	0	0
Total Derivative Assets	0	0
Liabilities:
Interest Rate Swap	0	0
Total Derivative Liabilities	$ 0	$ 0