Fair Value Measurements (Schedule Of Level 2 Financial Assets And Liabilities Measured On A Recurring Basis) (Details) (Level 2 [Member], USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of impaired loans before allocations	$ 14,933	$ 18,329
Specific valuation allowance allocations	(1,955)	(4,532)
Fair Value	$ 12,978	$ 13,797