Loans (Loan Portfolio) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	$ 3,682,988	$ 3,631,355
Net Deferred Loan (Fees) Costs	50,660	48,081
Loans, Net	3,733,648	3,679,436
Allowance for credit losses - loans	(40,966)	(39,676)
Total loans, net	3,692,682	3,639,760
Commercial Business [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	625,238	639,368
Net Deferred Loan (Fees) Costs	(97)	(1,075)
Loans, Net	625,141	638,293
Commercial Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	1,437,341	1,415,486
Net Deferred Loan (Fees) Costs	(2,582)	(2,698)
Loans, Net	1,434,759	1,412,788
Residential Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	561,208	563,579
Net Deferred Loan (Fees) Costs	13,687	13,720
Loans, Net	574,895	577,299
Residential Real Estate Lines [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	73,809	75,515
Net Deferred Loan (Fees) Costs	3,051	3,016
Loans, Net	76,860	78,531
Consumer Indirect [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	970,919	923,052
Net Deferred Loan (Fees) Costs	36,485	34,996
Loans, Net	1,007,404	958,048
Other Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	14,473	14,355
Net Deferred Loan (Fees) Costs	116	122
Loans, Net	$ 14,589	$ 14,477

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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- Definition

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.

+ References

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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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