Balance Sheet Offsetting (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Foreign Exchange Contract [Member]
Offsetting Assets [Line Items]
Gross Amounts Recognized on the Consolidated Balance Sheets	$ 198
Gross Amounts Not Offset on the Consolidated Balance Sheets, Financial Instruments	(16)
Gross Amounts Not Offset on the Consolidated Balance Sheets, Cash Collateral	0
Net Amount	182
Offsetting Liabilities [Line Items]
Gross Amounts Recognized on the Consolidated Balance Sheets	16
Gross Amounts Not Offset on the Consolidated Balance Sheets, Financial Instruments	(16)
Gross Amounts Not Offset on the Consolidated Balance Sheets, Cash Collateral	0
Net Amount	0
Interest Rate Swap [Member]
Offsetting Assets [Line Items]
Gross Amounts Recognized on the Consolidated Balance Sheets	6,593	5,098
Gross Amounts Not Offset on the Consolidated Balance Sheets, Financial Instruments	(1,830)	(2,104)
Gross Amounts Not Offset on the Consolidated Balance Sheets, Cash Collateral	0	0
Net Amount	4,763	2,994
Offsetting Liabilities [Line Items]
Gross Amounts Recognized on the Consolidated Balance Sheets	6,593	5,098
Gross Amounts Not Offset on the Consolidated Balance Sheets, Financial Instruments	(1,830)	(2,104)
Gross Amounts Not Offset on the Consolidated Balance Sheets, Cash Collateral	(3,870)	(730)
Net Amount	$ 893	$ 2,264