Segment Reporting and Geographic Information Customer Reporting (Details)	6 Months Ended
	Jun. 30, 2014 Rate	Jun. 30, 2013 Rate
Segment Reporting Information [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	11.10%	10.80%
Major Customers Two [Domain]
Segment Reporting Information [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	6.20%	11.00%
Major Customer Three [Domain]
Segment Reporting Information [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	4.10%	10.00%