Loans (Loan Portfolio) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	$ 3,195,175	$ 3,179,465
Net Deferred Loan (Fees) Costs	42,052	41,522
Loans, Net	3,237,227	3,220,987
Allowance for credit losses - loans	(43,356)	(30,482)
Total loans, net	3,193,871	3,190,505
Commercial Business [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	587,903	571,222
Net Deferred Loan (Fees) Costs	965	818
Loans, Net	588,868	572,040
Allowance for credit losses - loans		(11,358)
Commercial Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	1,109,344	1,108,315
Net Deferred Loan (Fees) Costs	(1,968)	(2,032)
Loans, Net	1,107,376	1,106,283
Allowance for credit losses - loans		(5,681)
Residential Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	567,714	560,717
Net Deferred Loan (Fees) Costs	12,086	11,633
Loans, Net	579,800	572,350
Allowance for credit losses - loans		(1,059)
Residential Real Estate Lines [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	98,996	101,048
Net Deferred Loan (Fees) Costs	3,117	3,070
Loans, Net	102,113	104,118
Allowance for credit losses - loans		(118)
Consumer Indirect [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	815,969	822,179
Net Deferred Loan (Fees) Costs	27,699	27,873
Loans, Net	843,668	850,052
Allowance for credit losses - loans		(11,852)
Other Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Amount Outstanding	15,249	15,984
Net Deferred Loan (Fees) Costs	153	160
Loans, Net	$ 15,402	16,144
Allowance for credit losses - loans		$ (414)

Loans and leases receivable deferred loan (fees) costs.

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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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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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