Business Combinations (Maporama Acquisition Intangible Assets) (Details) (Maporama Solutions, USD $) In Thousands, unless otherwise specified	1 Months Ended
	Mar. 25, 2013
Business Acquisition [Line Items]
Gross Amount at Acquisition Date	$ 4,900
Weighted Average Amortization Period
Existing Technology
Business Acquisition [Line Items]
Gross Amount at Acquisition Date	3,600
Weighted Average Amortization Period	5 years
Customer base
Business Acquisition [Line Items]
Gross Amount at Acquisition Date	$ 1,300
Weighted Average Amortization Period	5 years