Allowance for Loan and Lease Losses (Details 7) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Orginated Loans and Leases [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	$ 974,852	$ 952,033
Orginated Loans and Leases [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	966,390	944,105
Orginated Loans and Leases [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	8,462	7,928
Orginated Loans and Leases [Member] | Residential Real Estate - Home equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	188,546	186,957
Orginated Loans and Leases [Member] | Residential Real Estate - Home equity [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	187,113	185,619
Orginated Loans and Leases [Member] | Residential Real Estate - Home equity [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	1,433	1,338
Orginated Loans and Leases [Member] | Residential Real Estate - Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	732,643	710,904
Orginated Loans and Leases [Member] | Residential Real Estate - Mortgages [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	725,857	704,663
Orginated Loans and Leases [Member] | Residential Real Estate - Mortgages [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	6,786	6,241
Orginated Loans and Leases [Member] | Consumer and other - Indirect [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	17,716	18,298
Orginated Loans and Leases [Member] | Consumer and other - Indirect [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	17,654	18,197
Orginated Loans and Leases [Member] | Consumer and other - Indirect [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	62	101
Orginated Loans and Leases [Member] | Consumer and other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	35,947	35,874
Orginated Loans and Leases [Member] | Consumer and other [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	35,766	35,626
Orginated Loans and Leases [Member] | Consumer and other [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	181	248
Acquired Loans and Leases [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	84,857	89,385
Acquired Loans and Leases [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	83,276	87,815
Acquired Loans and Leases [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	1,581	1,570
Acquired Loans and Leases [Member] | Residential Real Estate - Home equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	52,715	56,008
Acquired Loans and Leases [Member] | Residential Real Estate - Home equity [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	52,099	55,416
Acquired Loans and Leases [Member] | Residential Real Estate - Home equity [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	616	592
Acquired Loans and Leases [Member] | Residential Real Estate - Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	31,095	32,282
Acquired Loans and Leases [Member] | Residential Real Estate - Mortgages [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	30,130	31,304
Acquired Loans and Leases [Member] | Residential Real Estate - Mortgages [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	965	978
Acquired Loans and Leases [Member] | Consumer and other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	1,047	1,095
Acquired Loans and Leases [Member] | Consumer and other [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	$ 1,047	$ 1,095