Loans (Schedule Of Method Used To Measure Impairment Of Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Financing Receivable, Impaired [Line Items]
Impaired loans	$ 50,679	$ 48,416	$ 51,703
Commercial [Member] | Fair Value of Collateral [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans	44	132	899
Commercial [Member] | Discounted Cash Flow [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans	337	362	0
Owner Occupied [Member] | Fair Value of Collateral [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans	5,665	1,683	4,856
Owner Occupied [Member] | Discounted Cash Flow [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans	9,056	9,124	7,598
Non-Owner Occupied [Member] | Fair Value of Collateral [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans	1,633	508	518
Non-Owner Occupied [Member] | Discounted Cash Flow [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans	6,184	5,999	5,259
Land and Land Improvements [Member] | Fair Value of Collateral [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans	11,733	11,998	16,107
Land and Land Improvements [Member] | Discounted Cash Flow [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans	2,286	2,310	1,457
Non-Jumbo [Member] | Fair Value of Collateral [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans	1,719	1,676	3,450
Non-Jumbo [Member] | Discounted Cash Flow [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans	4,677	5,252	2,603
Jumbo [Member] | Fair Value of Collateral [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans	5,672	7,594	6,644
Jumbo [Member] | Discounted Cash Flow [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans	884	886	2,086
Home Equity [Member] | Fair Value of Collateral [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans	186	285	186
Home Equity [Member] | Discounted Cash Flow [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans	523	523	0
Consumer Portfolio Segment [Member] | Fair Value of Collateral [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans	2	2	40
Consumer Portfolio Segment [Member] | Discounted Cash Flow [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans	$ 78	$ 82	$ 0