Loans and Allowance for Loan and Lease Losses (Average Recorded Investment Of Impaired Loans And Related Interest Income By Loan Portfolio Class) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Commercial and industrial [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with No Allowance: Average Recorded Investment	$ 197	$ 196
Impaired Loans with Allowance: Average Recorded Investment	74	206
Impaired Financing Receivable, Average Recorded Investment, Total	271	402
Commercial real estate [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with No Allowance: Average Recorded Investment	2,921	6,450
Impaired Loans with No Allowance: Interest Income Recognized		17
Impaired Loans with Allowance: Average Recorded Investment	7,167	4,246
Impaired Financing Receivable, Average Recorded Investment, Total	10,088	10,696
Impaired Financing Receivable, Interest Income Recognized, Total		17
Commercial real estate - construction [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with Allowance: Average Recorded Investment		54
Impaired Financing Receivable, Average Recorded Investment, Total		54
Residential mortgage [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with No Allowance: Average Recorded Investment	263
Impaired Loans with Allowance: Average Recorded Investment		86
Impaired Financing Receivable, Average Recorded Investment, Total	263	86
Home equity [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with No Allowance: Average Recorded Investment	27	123
Impaired Loans with Allowance: Average Recorded Investment	47	67
Impaired Financing Receivable, Average Recorded Investment, Total	$ 74	$ 190