Loans And Leases (Loans And Leases Modified As TDRs Within Previous Twelve Months And For Which There Was A Payment Default In Period) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 loan	Dec. 31, 2012 loan	Dec. 31, 2011 loan
Financing Receivable, Impaired [Line Items]
Number of Loans and Leases	14	2	27
Recorded Investment	$ 1,588	$ 847	$ 5,625
Residential 1-4 family [Member]
Financing Receivable, Impaired [Line Items]
Number of Loans and Leases	9	2	9
Recorded Investment	1,202	847	1,625
Home equity [Member]
Financing Receivable, Impaired [Line Items]
Number of Loans and Leases	4	0	8
Recorded Investment	339	0	1,195
Liquidating-home equity [Member]
Financing Receivable, Impaired [Line Items]
Number of Loans and Leases	0	0	2
Recorded Investment	0	0	108
Commercial non-mortgage [Member]
Financing Receivable, Impaired [Line Items]
Number of Loans and Leases	1	0	3
Recorded Investment	47	0	804
Asset-based [Member]
Financing Receivable, Impaired [Line Items]
Number of Loans and Leases	0	0	2
Recorded Investment	0	0	522
Commercial real estate [Member]
Financing Receivable, Impaired [Line Items]
Number of Loans and Leases	0	0	3
Recorded Investment	$ 0	$ 0	$ 1,371