Loans (Loan Portfolio) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Gross	$ 1,881,071	$ 1,802,105
Net Deferred Loan Costs (Fees)	30,931	31,514
Loans, Net	1,912,002	1,833,619
Allowance for loan losses	(27,637)	(26,736)
Total loans, net	1,884,365	1,806,883
Commercial Business [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Gross	267,377	265,751
Net Deferred Loan Costs (Fees)	32	15
Loans, Net	267,409	265,766
Commercial Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Gross	476,407	470,312
Net Deferred Loan Costs (Fees)	(1,315)	(1,028)
Loans, Net	475,092	469,284
Residential Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Gross	100,241	113,101
Net Deferred Loan Costs (Fees)	(140)	(56)
Loans, Net	100,101	113,045
Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Gross	379,774	320,658
Net Deferred Loan Costs (Fees)	6,841	5,428
Loans, Net	386,615	326,086
Consumer Indirect [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Gross	636,357	609,390
Net Deferred Loan Costs (Fees)	25,316	26,978
Loans, Net	661,673	636,368
Other Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Gross	20,915	22,893
Net Deferred Loan Costs (Fees)	197	177
Loans, Net	$ 21,112	$ 23,070

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

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-Publisher FASB

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-SubTopic 210

-Section S99

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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