Employee Benefit Plans (Schedule Of Valuation And Expense Information) (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected Term (in days)	4 years 5 months 8 days	4 years 4 months 24 days	4 years 4 months 24 days
Risk Free Interest Rate	0.72%	0.64%	1.63%
Expected Volatility Rate	48.05%	52.09%	50.31%
Dividend yield (in percentage)	0.00%	0.00%	0.00%