Derivatives (Summary Of Types Of Derivatives, Separately By Assets And Liabilities And Fair Value Of Derivatives) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Derivative assets	$ 29,210	$ 17,921
Interest Rate Lock Commitments [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	2,867	706
Interest Rate Forward Sales Commitments [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	16	1,250
Total liability derivatives	2,627	6
Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	26,327	15,965
Total liability derivatives	28,158	14,556
Interest Rate Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	29,210	17,921
Total liability derivatives	30,785	14,562
Interest Rate Contracts [Member] | Interest Rate Lock Commitments [Member] | Other Assets[Member]
Derivatives, Fair Value [Line Items]
Derivative assets	2,867	706
Interest Rate Contracts [Member] | Interest Rate Lock Commitments [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Total liability derivatives	0	0
Interest Rate Contracts [Member] | Interest Rate Forward Sales Commitments [Member] | Other Assets[Member]
Derivatives, Fair Value [Line Items]
Derivative assets	16	1,250
Interest Rate Contracts [Member] | Interest Rate Forward Sales Commitments [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Total liability derivatives	2,627	6
Interest Rate Contracts [Member] | Interest Rate Swap [Member] | Other Assets[Member]
Derivatives, Fair Value [Line Items]
Derivative assets	26,327	15,965
Interest Rate Contracts [Member] | Interest Rate Swap [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Total liability derivatives	$ 28,158	$ 14,556