Loans and Credit Quality (TDRs)(Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Financing Receivable, Impaired [Line Items]
Financing Receivable, Modifications, Number of Contracts at Period End	12	14
Financing Receivable, Modifications, Recorded Investment	$ 2,427,000	$ 4,395,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Cumulative Charge-Offs	0	0
Interest Rate Reduction [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Modifications, Number of Contracts at Period End	12	11
Financing Receivable, Modifications, Recorded Investment	2,427,000	1,874,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Cumulative Charge-Offs	0	0
Payment Restructure [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Modifications, Number of Contracts at Period End		3
Financing Receivable, Modifications, Recorded Investment		2,521,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Cumulative Charge-Offs		0
Residential Mortgage [Member] | Interest Rate Reduction [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Modifications, Number of Contracts at Period End	11	9
Financing Receivable, Modifications, Recorded Investment	2,390,000	1,757,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Cumulative Charge-Offs	0	0
Residential Mortgage [Member] | Payment Restructure [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Modifications, Number of Contracts at Period End		2
Financing Receivable, Modifications, Recorded Investment		365,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Cumulative Charge-Offs		0
Home Equity Line of Credit [Member] | Interest Rate Reduction [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Modifications, Number of Contracts at Period End	1
Financing Receivable, Modifications, Recorded Investment	37,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Cumulative Charge-Offs	0
Consumer loans [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Modifications, Number of Contracts at Period End	12	11
Financing Receivable, Modifications, Recorded Investment	2,427,000	2,122,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Cumulative Charge-Offs	0	0
Consumer loans [Member] | Interest Rate Reduction [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Modifications, Number of Contracts at Period End	12	9
Financing Receivable, Modifications, Recorded Investment	2,427,000	1,757,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Cumulative Charge-Offs	0	0
Consumer loans [Member] | Payment Restructure [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Modifications, Number of Contracts at Period End		2
Financing Receivable, Modifications, Recorded Investment		365,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Cumulative Charge-Offs		0
Commercial Real Estate [Member] | Interest Rate Reduction [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Modifications, Number of Contracts at Period End		1
Financing Receivable, Modifications, Recorded Investment		2,156,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Cumulative Charge-Offs		0
Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Modifications, Number of Contracts at Period End		3
Financing Receivable, Modifications, Recorded Investment		2,273,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Cumulative Charge-Offs		0
Commercial Portfolio Segment [Member] | Interest Rate Reduction [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Modifications, Number of Contracts at Period End		2
Financing Receivable, Modifications, Recorded Investment		117,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Cumulative Charge-Offs		0
Commercial Portfolio Segment [Member] | Payment Restructure [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Modifications, Number of Contracts at Period End		1
Financing Receivable, Modifications, Recorded Investment		2,156,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Cumulative Charge-Offs		0
Commercial Real Estate Construction Financing Receivable [Member] | Interest Rate Reduction [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Modifications, Number of Contracts at Period End		2
Financing Receivable, Modifications, Recorded Investment		117,000
Commercial Real Estate Construction Financing Receivable [Member] | Payment Restructure [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivables, Impaired, Troubled Debt Restructuring, Cumulative Charge-Offs		$ 0