Fair Value Measurements (Fair Value Inputs, Liabilities, Quantitative Information) (Details) (USD $)		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012 Income Approach Valuation Technique [Member] Contingent Consideration [Member]	Sep. 30, 2012 Income Approach Valuation Technique [Member] Minimum [Member] Contingent Consideration [Member]	Sep. 30, 2012 Income Approach Valuation Technique [Member] Maximum [Member] Contingent Consideration [Member]	Sep. 30, 2012 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2011 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member]
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Business Acquisition, Contingent Consideration, Potential Cash Payment	$ 1,000,000
Liabilities - Contingent consideration liability					$ 6,904,000	$ 1,290,000
Discount rate			10.00%	14.50%
Probability of milestone payment		90.00%