Allowance for Loan and Lease Losses (Details 7) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Orginated Loans and Leases [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	$ 888,560	$ 884,289
Orginated Loans and Leases [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	879,784	874,669
Orginated Loans and Leases [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	8,776	9,620
Orginated Loans and Leases [Member] | Residential Real Estate - Home equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	173,169	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	171,175	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	1,994	1,539
Orginated Loans and Leases [Member] | Residential Real Estate - Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	663,335	658,966
Orginated Loans and Leases [Member] | Residential Real Estate - Mortgages [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	656,790	651,139
Orginated Loans and Leases [Member] | Residential Real Estate - Mortgages [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	6,545	7,827
Orginated Loans and Leases [Member] | Consumer and other - Indirect [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	19,902	21,202
Orginated Loans and Leases [Member] | Consumer and other - Indirect [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	19,668	20,986
Orginated Loans and Leases [Member] | Consumer and other - Indirect [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	234	216
Orginated Loans and Leases [Member] | Consumer and other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	32,154	32,312
Orginated Loans and Leases [Member] | Consumer and other [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	32,151	32,274
Orginated Loans and Leases [Member] | Consumer and other [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	3	38
Acquired Loans and Leases [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	99,901	103,743
Acquired Loans and Leases [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	97,494	99,577
Acquired Loans and Leases [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	2,407	4,166
Acquired Loans and Leases [Member] | Residential Real Estate - Home equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	64,039	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	63,266	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	773	1,844
Acquired Loans and Leases [Member] | Residential Real Estate - Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	34,704	35,336
Acquired Loans and Leases [Member] | Residential Real Estate - Mortgages [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	33,070	33,014
Acquired Loans and Leases [Member] | Residential Real Estate - Mortgages [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	1,634	2,322
Acquired Loans and Leases [Member] | Consumer and other - Indirect [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	2	5
Acquired Loans and Leases [Member] | Consumer and other - Indirect [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	2	5
Acquired Loans and Leases [Member] | Consumer and other - Indirect [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	0	0
Acquired Loans and Leases [Member] | Consumer and other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	1,156	1,219
Acquired Loans and Leases [Member] | Consumer and other [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	1,156	1,219
Acquired Loans and Leases [Member] | Consumer and other [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases, gross	$ 0	$ 0