Loans (Loan Portfolio) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	$ 3,179,465	$ 3,044,320
Net Deferred Loan (Fees) Costs	41,522	42,278
Loans, Net	3,220,987	3,086,598
Allowance for loan losses	(30,482)	(33,914)
Total loans, net	3,190,505	3,052,684
Commercial Business [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	571,222	557,040
Net Deferred Loan (Fees) Costs	818	821
Loans, Net	572,040	557,861
Commercial Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	1,108,315	960,265
Net Deferred Loan (Fees) Costs	(2,032)	(2,071)
Loans, Net	1,106,283	958,194
Residential Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	560,717	514,981
Net Deferred Loan (Fees) Costs	11,633	9,174
Loans, Net	572,350	524,155
Residential Real Estate Lines [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	101,048	106,712
Net Deferred Loan (Fees) Costs	3,070	3,006
Loans, Net	104,118	109,718
Consumer Indirect [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	822,179	888,732
Net Deferred Loan (Fees) Costs	27,873	31,185
Loans, Net	850,052	919,917
Other Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	15,984	16,590
Net Deferred Loan (Fees) Costs	160	163
Loans, Net	$ 16,144	$ 16,753

Loans and leases receivable deferred loan (fees) costs.

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- Definition

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+ References

No definition available.

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- Definition

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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- Definition

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.

+ References

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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.

+ References

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