Derivative Financial Instruments - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Recurring - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Assets:
Derivative assets	$ 0	$ 109
Liabilities:
Derivative liabilities	6,354	256
Level 1
Assets:
Derivative assets	0	0
Liabilities:
Derivative liabilities	0	0
Level 2
Assets:
Derivative assets	0	109
Liabilities:
Derivative liabilities	6,354	256
Level 3
Assets:
Derivative assets	0	0
Liabilities:
Derivative liabilities	0	0
Forward Currency Contracts
Assets:
Derivative assets	0	109
Liabilities:
Derivative liabilities	1,299	243
Forward Currency Contracts | Level 1
Assets:
Derivative assets	0	0
Liabilities:
Derivative liabilities	0	0
Forward Currency Contracts | Level 2
Assets:
Derivative assets	0	109
Liabilities:
Derivative liabilities	1,299	243
Forward Currency Contracts | Level 3
Assets:
Derivative assets	0	0
Liabilities:
Derivative liabilities	0	0
Interest Rate Swaps
Liabilities:
Derivative liabilities	5,055	13
Interest Rate Swaps | Level 1
Liabilities:
Derivative liabilities	0	0
Interest Rate Swaps | Level 2
Liabilities:
Derivative liabilities	5,055	13
Interest Rate Swaps | Level 3
Liabilities:
Derivative liabilities	$ 0	$ 0