Borrowings (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Long-term debt
Bank debt and capital lease obligations	$ 53	$ 26,127
Less current portion	53	6,337
Long-term debt	0	19,790
Bank debt
Long-term debt
Bank debt	0	26,025
Revolving credit facilities
Long-term debt
Bank debt	0	19,775
Term loans
Long-term debt
Bank debt	0	6,250
Capital lease obligations
Long-term debt
Bank debt and capital lease obligations	$ 53	$ 102