Loans and Leases (Information on How Loans and Leases were Modified as a TDR) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) loan	Dec. 31, 2021 USD ($) loan	Dec. 31, 2020 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	107	150	192
Post-Modification Recorded Investment | $	$ 87,423	$ 21,977	$ 55,691
Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases		0	4
Commercial, Non-Mortgage | Commercial | Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	5	8	11
Post-Modification Recorded Investment | $	$ 291	$ 605	$ 1,070
Commercial, Non-Mortgage | Commercial | Adjusted Interest Rates [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	0	0	1
Post-Modification Recorded Investment | $	$ 0	$ 0	$ 96
Commercial, Non-Mortgage | Commercial | Combination Rate and Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	8	9	7
Post-Modification Recorded Investment | $	$ 765	$ 352	$ 607
Commercial, Non-Mortgage | Commercial | Other Concessions
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	19	12	24
Post-Modification Recorded Investment | $	$ 52,070	$ 14,160	$ 40,128
Commercial real estate | Commercial | Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	0	1	1
Post-Modification Recorded Investment | $	$ 0	$ 183	$ 72
Commercial real estate | Commercial | Combination Rate and Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	0	0	2
Post-Modification Recorded Investment | $	$ 0	$ 0	$ 377
Commercial real estate | Commercial | Other Concessions
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	0	1	3
Post-Modification Recorded Investment | $	$ 0	$ 1,582	$ 306
Residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	2
Residential | Consumer | Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	2	1	3
Post-Modification Recorded Investment | $	$ 1,185	$ 99	$ 485
Residential | Consumer | Combination Rate and Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	2	2	10
Post-Modification Recorded Investment | $	$ 133	$ 401	$ 1,133
Residential | Consumer | Other Concessions
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	8	3	26
Post-Modification Recorded Investment | $	$ 3,158	$ 280	$ 4,215
Home equity | Consumer | Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	0	85	3
Post-Modification Recorded Investment | $	$ 0	$ 1,809	$ 188
Home equity | Consumer | Adjusted Interest Rates [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	1	0	0
Post-Modification Recorded Investment | $	$ 74	$ 0	$ 0
Home equity | Consumer | Combination Rate and Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	21	6	5
Post-Modification Recorded Investment | $	$ 2,623	$ 1,025	$ 334
Home equity | Consumer | Other Concessions
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	37	22	96
Post-Modification Recorded Investment | $	$ 2,134	$ 1,481	$ 6,680
Commercial non-mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	3
Equipment Financing | Commercial | Other Concessions
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	3	0	0
Post-Modification Recorded Investment | $	$ 1,692	$ 0	$ 0
Asset-Based | Commercial | Other Concessions
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans and Leases	1	0	0
Post-Modification Recorded Investment | $	$ 23,298	$ 0	$ 0