Loans, Allowance for Loan Losses and Credit Quality (TDRs that have subsequently defaulted) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014 contract	Jun. 30, 2013 contract	Jun. 30, 2014 contract	Jun. 30, 2013 contract
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	2	5	3	6
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 209	$ 2,187	$ 385	$ 2,418
Commercial and Industrial [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts		2		2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment		1,767		1,767
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1	1	2	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	73	398	249	398
Small Business [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts		2		3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment		22		253
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1		1	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 136		$ 136	$ 0