Goodwill And Intangible Assets (Schedule Of Intangible Assets) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Customer Relationships [Member]	Dec. 31, 2012 Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 600,000	$ 800,000	$ 1,800,000	$ 2,400,000
Gross Carrying Amount					23,088,000	23,088,000
Accumulated Amortization					$ 13,859,000	$ 12,091,000