Loans, Allowance for Loan Losses and Credit Quality (TDRs that have subsequently defaulted) (Details) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2015 USD ($) contract	Sep. 30, 2014 USD ($) contract	Sep. 30, 2015 USD ($) contract	Sep. 30, 2014 USD ($) contract
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts \| contract	0	2	5	4
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 133	$ 1,219	$ 260
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts \| contract			2	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment			$ 880	$ 0
Commercial and Industrial [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts \| contract	0	1	3	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 46	$ 339	$ 46
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts \| contract	0	1	0	3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 87	$ 0	$ 214

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No definition available.

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 34

-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953682-111524

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- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

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