Loans (Nonaccrual Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	$ 16,017	$ 17,408
Accruing loans 90 days or more past due	0	0
Commercial Real Estate
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	431	603
Commercial & Industrial
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	0	657
Total Commercial
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	431	1,260
Residential Real Estate
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	13,850	14,297
Home Equity
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	1,648	1,763
Other
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	88	88
Total Consumer
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	$ 1,736	$ 1,851