Segment Reporting and Geographic Information Customer Reporting (Details)	9 Months Ended
	Sep. 30, 2013 Rate	Sep. 30, 2012 Rate
Segment Reporting Information [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	13.00%	6.40%
Major Customers Two [Domain]
Segment Reporting Information [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	11.20%	8.20%
Major Customer Three [Domain]
Segment Reporting Information [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	8.90%	10.30%
Major Customer Four [Domain]
Segment Reporting Information [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	1.90%	12.10%
Major Customer Five [Domain]
Segment Reporting Information [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	0.80%	11.80%