Loans (Schedule of Carrying Amount of Loans with Deterioration of Credit Quality) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality (Included in the Total Above)	$ 8,361	$ 14,753	$ 11,174
Carrying Amount, Net of Allowance	8,307	14,745	11,086
Commercial and Industrial Loans
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality (Included in the Total Above)	354	1,981	1,840
Commercial Real Estate Loans
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality (Included in the Total Above)	6,385	10,871	9,037
Consumer Loans
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality (Included in the Total Above)	118	134	148
Residential Mortgage Loans
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality (Included in the Total Above)	1,504	1,767	149
Home Equity Loans
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality (Included in the Total Above)	$ 0	$ 0	$ 0