Other Liabilities (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Other current liabilities	$ 1,413	$ 2,551
Loss Contingency Accrual	900	2,200
Argentina Equity Tax 2009 Through 2012
Other current liabilities	500	$ 500
Interest and penalties	1,100
VAT tax credit	600
Increase in tax liability	$ 600