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Loans and Leases and the Allowance for Credit Losses - Schedule of Aging Analysis of Loan Modifications Made to Borrowers Experiencing Financial Difficulty (Details) $ in Thousands	Sep. 30, 2023 USD ($)
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	$ 16,300
Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	14,292
30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	978
60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	133
Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	50
Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	847
Commercial
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	7,157
Commercial | Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	7,067
Commercial | 30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	90
Commercial | 60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Commercial | Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Commercial | Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Commercial | Commercial and Industrial
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	6,211
Commercial | Commercial and Industrial | Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	6,121
Commercial | Commercial and Industrial | 30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	90
Commercial | Commercial and Industrial | 60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Commercial | Commercial and Industrial | Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Commercial | Commercial and Industrial | Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Commercial | Commercial Mortgage
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	946
Commercial | Commercial Mortgage | Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	946
Commercial | Commercial Mortgage | 30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Commercial | Commercial Mortgage | 60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Commercial | Commercial Mortgage | Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Commercial | Commercial Mortgage | Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Consumer
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	9,143
Consumer | Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	7,225
Consumer | 30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	888
Consumer | 60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	133
Consumer | Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	50
Consumer | Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	847
Consumer | Other
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	732
Consumer | Other | Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	584
Consumer | Other | 30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	95
Consumer | Other | 60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	31
Consumer | Other | Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	22
Consumer | Other | Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Consumer | Residential Mortgage
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	847
Consumer | Residential Mortgage | Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Consumer | Residential Mortgage | 30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Consumer | Residential Mortgage | 60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Consumer | Residential Mortgage | Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Consumer | Residential Mortgage | Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	847
Consumer | Home Equity
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	136
Consumer | Home Equity | Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	136
Consumer | Home Equity | 30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Consumer | Home Equity | 60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Consumer | Home Equity | Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Consumer | Home Equity | Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0
Consumer | Automobile
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	7,428
Consumer | Automobile | Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	6,505
Consumer | Automobile | 30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	793
Consumer | Automobile | 60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	102
Consumer | Automobile | Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	28
Consumer | Automobile | Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	$ 0

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