Derivative Instruments (Schedule Of Fair Values Of Derivative Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Other assets	$ 12,268	$ 12,980
Other liabilities	(12,642)	(13,329)
Total asset derivatives	12,268	12,980
Total liability derivatives	(12,642)	(13,329)
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Other assets	0	0
Other liabilities	(160)	(300)
Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Other assets	0	0
Other liabilities	(160)	(300)
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Other assets	12,268	12,980
Other liabilities	(12,482)	(13,029)
Not Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Other assets	11,564	11,428
Other liabilities	(11,564)	(11,429)
Not Designated as Hedging Instrument [Member] | Interest Rate Caps [Member]
Derivatives, Fair Value [Line Items]
Other assets	1	1
Other liabilities	(1)	(1)
Not Designated as Hedging Instrument [Member] | Credit Risk Participation Agreements [Member]
Derivatives, Fair Value [Line Items]
Other assets	4	4
Other liabilities	(192)	(69)
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member]
Derivatives, Fair Value [Line Items]
Other assets	699	1,547
Other liabilities	$ (725)	$ (1,530)