Allowance for Loan and Lease Losses (Details 8) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Orginated Loans and Leases [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross $ 952,033 $ 884,289
Orginated Loans and Leases [Member] | Performing [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 944,105 874,669
Orginated Loans and Leases [Member] | Nonperforming [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 7,928 9,620
Orginated Loans and Leases [Member] | Residential Real Estate - Home equity [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 186,957 171,809
Orginated Loans and Leases [Member] | Residential Real Estate - Home equity [Member] | Performing [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 185,619 170,270
Orginated Loans and Leases [Member] | Residential Real Estate - Home equity [Member] | Nonperforming [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 1,338 1,539
Orginated Loans and Leases [Member] | Residential Real Estate - Mortgages [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 710,904 658,966
Orginated Loans and Leases [Member] | Residential Real Estate - Mortgages [Member] | Performing [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 704,663 651,139
Orginated Loans and Leases [Member] | Residential Real Estate - Mortgages [Member] | Nonperforming [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 6,241 7,827
Orginated Loans and Leases [Member] | Consumer and other - Indirect [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 18,298 21,202
Orginated Loans and Leases [Member] | Consumer and other - Indirect [Member] | Performing [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 18,197 20,986
Orginated Loans and Leases [Member] | Consumer and other - Indirect [Member] | Nonperforming [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 101 216
Orginated Loans and Leases [Member] | Consumer and other [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 35,874 32,312
Orginated Loans and Leases [Member] | Consumer and other [Member] | Performing [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 35,626 32,274
Orginated Loans and Leases [Member] | Consumer and other [Member] | Nonperforming [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 248 38
Acquired Loans and Leases [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 89,385 103,743
Acquired Loans and Leases [Member] | Performing [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 87,815 99,577
Acquired Loans and Leases [Member] | Nonperforming [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 1,570 4,166
Acquired Loans and Leases [Member] | Residential Real Estate - Home equity [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 56,008 67,183
Acquired Loans and Leases [Member] | Residential Real Estate - Home equity [Member] | Performing [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 55,416 65,339
Acquired Loans and Leases [Member] | Residential Real Estate - Home equity [Member] | Nonperforming [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 592 1,844
Acquired Loans and Leases [Member] | Residential Real Estate - Mortgages [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 32,282 35,336
Acquired Loans and Leases [Member] | Residential Real Estate - Mortgages [Member] | Performing [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 31,304 33,014
Acquired Loans and Leases [Member] | Residential Real Estate - Mortgages [Member] | Nonperforming [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 978 2,322
Acquired Loans and Leases [Member] | Consumer and other - Indirect [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross   5
Acquired Loans and Leases [Member] | Consumer and other - Indirect [Member] | Performing [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross   5
Acquired Loans and Leases [Member] | Consumer and other [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross 1,095 1,219
Acquired Loans and Leases [Member] | Consumer and other [Member] | Performing [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans and Leases, gross $ 1,095 $ 1,219