Acquisitions (Schedule of Acquired Intangible Assets) (Details) (September 2013 Acquisition, USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 2,170
Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	260
Estimated Useful Life	15 years
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	1,130
Estimated Useful Life	15 years
Non-compete agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	140
Estimated Useful Life	5 years
Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 640