Fair Value Measurements (Schedule Of Reconciliation Of Investment Securities Available For Sale Measured At Fair Value On A Recurring Basis Level 3 Assets) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 3,887	$ 2,385
Impairment losses on investment securities	0	0
Included in other comprehensive income	(2,161)	2,176
Dispositions	0	(1,776)
Transfers into Level 3	0	0
Ending Balance	$ 1,726	$ 2,785