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Loans and Allowance for Credit Losses - Restructured Loans by Type of Concession (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | loan |  | 27
Post-Modification Outstanding Recorded Investment | $ 31,083 | $ 2,211
Pre-Modification Outstanding Recorded Investment |  | 2,776
Bankruptcy |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 1,447
Other Loan Modification [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 154
Extended Maturity [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment | 30,894 | 610
Contractual Interest Rate Reduction [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Payment Deferral [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | $ 0
Commercial real estate | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | loan |  | 0
Post-Modification Outstanding Recorded Investment | 13,836 | $ 0
Pre-Modification Outstanding Recorded Investment |  | 0
Commercial real estate | Bankruptcy | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Commercial real estate | Other Loan Modification [Member] | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Commercial real estate | Extended Maturity [Member] | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment | 13,836 | 0
Commercial real estate | Contractual Interest Rate Reduction [Member] | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Commercial real estate | Payment Deferral [Member] | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | $ 0
Commercial and industrial | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | loan |  | 0
Post-Modification Outstanding Recorded Investment | 16,877 | $ 0
Pre-Modification Outstanding Recorded Investment |  | 0
Commercial and industrial | Bankruptcy | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Commercial and industrial | Other Loan Modification [Member] | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Commercial and industrial | Extended Maturity [Member] | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment | 16,877 | 0
Commercial and industrial | Contractual Interest Rate Reduction [Member] | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Commercial and industrial | Payment Deferral [Member] | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | $ 0
Commercial construction | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | loan |  | 0
Post-Modification Outstanding Recorded Investment | 0 | $ 0
Pre-Modification Outstanding Recorded Investment |  | 0
Commercial construction | Bankruptcy | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Commercial construction | Other Loan Modification [Member] | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Commercial construction | Extended Maturity [Member] | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment | 0 | 0
Commercial construction | Contractual Interest Rate Reduction [Member] | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Commercial construction | Payment Deferral [Member] | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | $ 0
Business banking | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | loan |  | 2
Post-Modification Outstanding Recorded Investment |  | $ 154
Pre-Modification Outstanding Recorded Investment |  | 203
Business banking | Bankruptcy | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Business banking | Other Loan Modification [Member] | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 154
Business banking | Extended Maturity [Member] | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Business banking | Contractual Interest Rate Reduction [Member] | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Business banking | Payment Deferral [Member] | Commercial Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | $ 0
Consumer real estate | Consumer Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | loan |  | 23
Post-Modification Outstanding Recorded Investment | 250 | $ 2,046
Pre-Modification Outstanding Recorded Investment |  | 2,558
Consumer real estate | Bankruptcy | Consumer Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 1,436
Consumer real estate | Other Loan Modification [Member] | Consumer Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Consumer real estate | Extended Maturity [Member] | Consumer Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment | $ 61 | 610
Consumer real estate | Contractual Interest Rate Reduction [Member] | Consumer Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Consumer real estate | Payment Deferral [Member] | Consumer Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | $ 0
Other consumer | Consumer Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | loan |  | 2
Post-Modification Outstanding Recorded Investment |  | $ 11
Pre-Modification Outstanding Recorded Investment |  | 15
Other consumer | Bankruptcy | Consumer Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 11
Other consumer | Other Loan Modification [Member] | Consumer Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Other consumer | Extended Maturity [Member] | Consumer Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Other consumer | Contractual Interest Rate Reduction [Member] | Consumer Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | 0
Other consumer | Payment Deferral [Member] | Consumer Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Post-Modification Outstanding Recorded Investment |  | $ 0

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