Derivative Instruments (Summary Of The Effects Of Derivative Instruments On Consolidated Statements Of Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Total derivatives	$ 587	$ 162	$ 967	$ 504
Not Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative other non-interest income	366	155	811	294
Not Designated as Hedging Instrument [Member] | Credit Risk Participation Agreements [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative other non-interest income	93	69	198	125
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative other non-interest income	128	(62)	(42)	85
Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Total derivatives	69	105	141	230
Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative interest and fees on loans	$ 69	$ 105	$ 141	$ 230