Loans (Nonaccrual Loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	$ 33,652	$ 12,846
Accruing loans 90 days or more past due	0	0
Commercial Real Estate
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	22,609	0
Commercial & Industrial
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	696	0
Total Commercial
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	23,305	0
Residential Real Estate
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	9,446	11,894
Home Equity
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	901	952
Other
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	0	0
Total Consumer
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	$ 901	$ 952