Loans (Nonaccrual and Past Due Loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual	$ 36,034	$ 25,793
Financing Receivable, 90 Days or More Past Due, Still Accruing	5,363	2,367
Financing Receivable, Nonaccrual, No Allowance	600	1,300
Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual	0	4
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual	17,301	9,111
Financing Receivable, 90 Days or More Past Due, Still Accruing	1,912	0
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual	5,356	6,192
Financing Receivable, 90 Days or More Past Due, Still Accruing	98	50
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual	9,735	8,375
Financing Receivable, 90 Days or More Past Due, Still Accruing	1,156	1,975
Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual	976	867
Financing Receivable, 90 Days or More Past Due, Still Accruing	61	82
Consumer, indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual	1,069	1,073
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	39
Consumer, direct
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual	186	171
Financing Receivable, 90 Days or More Past Due, Still Accruing	32	17
Premium finance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual	0	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	368	204
Finance Leases Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual	1,411	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	$ 1,736	$ 0