Credit Quality (Details 1) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Impaired Loans
Recorded Investment	$ 11,838		$ 11,838		$ 12,173
Unpaid Principal Balance	11,916		11,916		12,250
Related Allowance	989		989		1,298
Average Recorded Investment	11,696	$ 16,935	11,783	$ 18,908
Interest Income Recognized	177	182	354	435
Consumer and credit card [Member]
Impaired Loans
Recorded Investment	485		485		455
Unpaid Principal Balance	485		485		455
Related Allowance	0		0		0
Average Recorded Investment	488	219	468	110
Interest Income Recognized	7	7	14	7
Commercial and industrial [Member]
Impaired Loans
Recorded Investment	2,162		2,162		2,028
Unpaid Principal Balance	2,240		2,240		2,105
Related Allowance	139		139		256
Average Recorded Investment	2,233	3,268	2,158	4,419
Interest Income Recognized	25	25	51	56
Commercial real estate [Member]
Impaired Loans
Recorded Investment	8,425		8,425		9,690
Unpaid Principal Balance	8,425		8,425		9,690
Related Allowance	850		850		1,042
Average Recorded Investment	8,348	13,448	8,713	14,379
Interest Income Recognized	143	150	281	372
Residential real estate and home equity [member]
Impaired Loans
Recorded Investment	766		766
Unpaid Principal Balance	766		766
Related Allowance	0		0
Average Recorded Investment	627		444
Interest Income Recognized	2		8
With no related allowance recorded [Member] | Consumer and credit card [Member]
Impaired Loans
Recorded Investment	485		485		455
Unpaid Principal Balance	485		485		455
Average Recorded Investment	488	219	468	110
Interest Income Recognized	7	7	14	7
With no related allowance recorded [Member] | Commercial and industrial [Member]
Impaired Loans
Recorded Investment	933		933		1,288
Unpaid Principal Balance	933		933		1,288
Average Recorded Investment	1,138	2,131	1,202	1,783
Interest Income Recognized	8	16	18	35
With no related allowance recorded [Member] | Commercial real estate [Member]
Impaired Loans
Recorded Investment	630		630		1,088
Unpaid Principal Balance	630		630		1,088
Average Recorded Investment	225	8,931	477	9,373
Interest Income Recognized	10	117	16	266
With no related allowance recorded [Member] | Residential real estate and home equity [member]
Impaired Loans
Recorded Investment	766		766
Unpaid Principal Balance	766		766
Average Recorded Investment	627		444
Interest Income Recognized	2		8
With allowance recorded [Member] | Consumer and credit card [Member]
Impaired Loans
Recorded Investment					0
Unpaid Principal Balance					0
Related Allowance					0
Average Recorded Investment		0		0
Interest Income Recognized		0		0
With allowance recorded [Member] | Commercial and industrial [Member]
Impaired Loans
Recorded Investment	1,229		1,229		740
Unpaid Principal Balance	1,307		1,307		817
Related Allowance	139		139		256
Average Recorded Investment	1,095	1,137	956	2,636
Interest Income Recognized	17	9	33	21
With allowance recorded [Member] | Commercial real estate [Member]
Impaired Loans
Recorded Investment	7,795		7,795		8,602
Unpaid Principal Balance	7,795		7,795		8,602
Related Allowance	850		850		$ 1,042
Average Recorded Investment	8,123	4,517	8,236	5,006
Interest Income Recognized	$ 133	$ 33	$ 265	$ 106