Loans and Allowance for Loan and Lease Losses (Troubled Debt Restructurings) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Commercial and industrial [Member]	Dec. 31, 2013 Commercial and industrial [Member]	Mar. 31, 2014 Commercial real estate [Member]	Dec. 31, 2013 Commercial real estate [Member]	Mar. 31, 2014 Residential mortgage [Member]	Dec. 31, 2013 Residential mortgage [Member]	Mar. 31, 2013 Residential mortgage [Member] Troubled Debt Restructurings Occurring During The Current Reporting Period [Member] loan
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts									1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 11,044	$ 11,044	$ 40	$ 40	$ 10,581	$ 10,581	$ 423	$ 423	$ 60
Financing Receivable, Modifications, Post-Modification Recorded Investment	9,138	9,138	35	35	8,686	8,686	417	417	60
Recorded Investment	$ 7,627	$ 7,765	$ 29	$ 29	$ 7,338	$ 7,470	$ 260	$ 266	$ 60