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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) - USD ($) $ in Thousands | Mar. 31, 2024 | Mar. 31, 2023
--- | --- | ---
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | $ 26,497 | $ 9,359
Current |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 26,284 | 9,222
30 - 59 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 167 | 0
60 - 89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 46 | 0
Past Due 90 Days or More |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Non-Accural |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 137
Commercial |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 4,865 | 7,091
Commercial | Current |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 4,841 | 7,091
Commercial | 30 - 59 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 24 | 0
Commercial | 60 - 89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Commercial | Past Due 90 Days or More |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Commercial | Non-Accural |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Commercial | Commercial and Industrial |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 4,865 | 7,091
Commercial | Commercial and Industrial | Current |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 4,841 | 7,091
Commercial | Commercial and Industrial | 30 - 59 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 24 | 0
Commercial | Commercial and Industrial | 60 - 89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 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 | 0
Commercial | Commercial and Industrial | Non-Accural |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Consumer |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 21,632 | 2,268
Consumer | Current |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 21,443 | 2,131
Consumer | 30 - 59 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 143 | 0
Consumer | 60 - 89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 46 | 0
Consumer | Past Due 90 Days or More |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Consumer | Non-Accural |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 137
Consumer | Other |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 572 | 175
Consumer | Other | Current |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 517 | 175
Consumer | Other | 30 - 59 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 9 | 0
Consumer | Other | 60 - 89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 46 | 0
Consumer | Other | Past Due 90 Days or More |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Consumer | Other | Non-Accural |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Consumer | Residential Mortgage |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 15,261 | 137
Consumer | Residential Mortgage | Current |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 15,261 | 0
Consumer | Residential Mortgage | 30 - 59 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Consumer | Residential Mortgage | 60 - 89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Consumer | Residential Mortgage | Past Due 90 Days or More |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Consumer | Residential Mortgage | Non-Accural |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 137
Consumer | Home Equity |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 610 | 141
Consumer | Home Equity | Current |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 610 | 141
Consumer | Home Equity | 30 - 59 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Consumer | Home Equity | 60 - 89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Consumer | Home Equity | Past Due 90 Days or More |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Consumer | Home Equity | Non-Accural |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Consumer | Automobile |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 5,189 | 1,815
Consumer | Automobile | Current |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 5,055 | 1,815
Consumer | Automobile | 30 - 59 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 134 | 0
Consumer | Automobile | 60 - 89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Consumer | Automobile | Past Due 90 Days or More |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | 0 | 0
Consumer | Automobile | Non-Accural |  |
Financing Receivable, Modified [Line Items] |  |
Loan modifications made to borrowers experiencing financial difficulty | $ 0 | $ 0

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