Derivative Financial Instruments - Recurring Basis and Basis for Measurement (Details) - Recurring - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets
Total Derivative Assets	$ 1,087	$ 109
Liabilities
Total Derivative Liabilities	57	256
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Total Derivative Assets	0	0
Liabilities
Total Derivative Liabilities	0	0
Significant Observable Inputs (Level 2)
Assets
Total Derivative Assets	1,087	109
Liabilities
Total Derivative Liabilities	57	256
Significant Unobservable Inputs (Level 3)
Assets
Total Derivative Assets	0	0
Liabilities
Total Derivative Liabilities	0	0
Forward Currency Contracts
Assets
Total Derivative Assets	26	109
Liabilities
Total Derivative Liabilities	57	243
Forward Currency Contracts | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Total Derivative Assets	0	0
Liabilities
Total Derivative Liabilities	0	0
Forward Currency Contracts | Significant Observable Inputs (Level 2)
Assets
Total Derivative Assets	26	109
Liabilities
Total Derivative Liabilities	57	243
Forward Currency Contracts | Significant Unobservable Inputs (Level 3)
Assets
Total Derivative Assets	0	0
Liabilities
Total Derivative Liabilities	0	0
Interest Rate Swap
Assets
Total Derivative Assets	1,061
Liabilities
Total Derivative Liabilities		13
Interest Rate Swap | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Total Derivative Assets	0
Liabilities
Total Derivative Liabilities		0
Interest Rate Swap | Significant Observable Inputs (Level 2)
Assets
Total Derivative Assets	1,061
Liabilities
Total Derivative Liabilities		13
Interest Rate Swap | Significant Unobservable Inputs (Level 3)
Assets
Total Derivative Assets	$ 0
Liabilities
Total Derivative Liabilities		$ 0