Asset Quality - Schedule of Financial Effects of Modifications to Borrowers Experiencing Financial Difficulty (Details)	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Total commercial real estate loans \| Commercial and Industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-average Interest Rate Change	(10.83%)	(2.02%)	(11.75%)	(3.85%)
Weighted-average Term Extension (in years)	4 years 1 month 28 days	2 months 1 day	2 years 11 months 15 days	3 months 21 days
Total commercial real estate loans \| Commercial mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-average Interest Rate Change	0.00%	0.00%	(1.91%)	0.00%
Weighted-average Term Extension (in years)	14 days	1 month 2 days	4 months 13 days	1 year 3 days
Total commercial real estate loans \| Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-average Interest Rate Change	0.00%		0.00%
Weighted-average Term Extension (in years)	3 months 14 days		2 years 10 months 17 days
Total consumer loans \| Real estate — residential mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-average Interest Rate Change	(1.26%)	(2.15%)	(1.65%)	(2.06%)
Weighted-average Term Extension (in years)	4 years 5 months 26 days	6 years 1 month 9 days	7 years 7 months 17 days	6 years 4 months 9 days
Total consumer loans \| Home equity loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-average Interest Rate Change	(3.22%)	(4.16%)	(3.56%)	(4.26%)
Weighted-average Term Extension (in years)	4 years 4 months 9 days	6 years 9 months 10 days	5 years 4 months 9 days	6 years 7 months 24 days
Total consumer loans \| Other consumer loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-average Interest Rate Change	(5.01%)	(4.54%)	(3.29%)	(4.05%)
Weighted-average Term Extension (in years)	6 months 14 days	7 months 28 days	7 months 28 days	8 months 19 days
Total consumer loans \| Credit cards
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-average Interest Rate Change	(11.96%)	(9.36%)	(14.38%)	(12.82%)
Weighted-average Term Extension (in years)	3 months	7 months 28 days	6 months	6 months

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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