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v3.24.3

Loans, Allowance for Credit Losses and Credit Quality - Amortized Cost of Loan Modifications (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  |  | $ 57,998 | $ 56,446
Extended Maturity [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount | $ 10,492 | $ 8,634 | 49,533 | 37,762
Contractual Interest Rate Reduction [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  |  | 106 |
Extended Maturity and Interest Rate Reduction [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  |  | 200 | 44
Term Extension and OtherThan Insignificant Payment Delays |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  | 8,822 | 8,159 |
Other-Than Insignificant Payment Delay |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  |  |  | 9,818
Commercial And Industrial [Member] | Extended Maturity [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount | $ 5,985 | $ 7,915 | $ 8,368 | $ 16,108
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage | 0.38% | 0.48% | 0.53% | 0.97%
Added weighted-average contractual term to the life of the loan | 4 months | 2 months | 7 months | 2 months
Commercial And Industrial [Member] | Extended Maturity and Interest Rate Reduction [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  |  | $ 97 |
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage |  |  | 0.01% |
Commercial And Industrial [Member] | Extended Maturity and Interest Rate Reduction [Member] | Maximum [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Reduced weighted-average contractual interest rate |  |  | 10.10% |
Added weighted-average contractual term to the life of the loan |  |  | 1 year 6 months |
Commercial And Industrial [Member] | Extended Maturity and Interest Rate Reduction [Member] | Minimum [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Reduced weighted-average contractual interest rate |  |  | 7.20% |
Commercial And Industrial [Member] | Term Extension and OtherThan Insignificant Payment Delays |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  |  | $ 1,809 | $ 1,965
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage |  | 0.12% | 0.11% |
Commercial And Industrial [Member] | Other-Than Insignificant Payment Delay |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  |  |  | $ 2,805
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage |  |  |  | 0.17%
Commercial Real Estate [Member] | Extended Maturity [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount | $ 4,507 | $ 719 | $ 37,380 | $ 19,180
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage | 0.06% | 0.01% | 0.46% | 0.24%
Added weighted-average contractual term to the life of the loan |  | 2 years 10 months 24 days | 1 year | 1 year 9 months 18 days
Commercial Real Estate [Member] | Term Extension and OtherThan Insignificant Payment Delays |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  | $ 6,857 | $ 6,350 |
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage |  | 0.09% | 0.08% |
Commercial Real Estate [Member] | Other-Than Insignificant Payment Delay |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  |  |  | $ 7,013
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage |  |  |  | 0.09%
Construction Loans [Member] | Extended Maturity [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  |  | $ 3,488 | $ 2,369
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage |  |  | 0.47% | 0.25%
Added weighted-average contractual term to the life of the loan | 5 months |  | 10 months | 2 months
Residential Real Estate [Member] | Extended Maturity [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  |  | $ 297 |
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage |  |  | 0.01% |
Added weighted-average contractual term to the life of the loan |  |  | 6 years 2 months 12 days |
Home Equity Loan [Member] | Contractual Interest Rate Reduction [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  |  | $ 64 |
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage |  |  | 0.01% |
Home Equity Loan [Member] | Contractual Interest Rate Reduction [Member] | Maximum [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Reduced weighted-average contractual interest rate |  |  | 7.99% |
Home Equity Loan [Member] | Contractual Interest Rate Reduction [Member] | Minimum [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Reduced weighted-average contractual interest rate |  |  | 7.00% |
Home Equity Loan [Member] | Extended Maturity and Interest Rate Reduction [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  |  | $ 69 |
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage |  |  | 0.01% |
Added weighted-average contractual term to the life of the loan |  |  | 8 years 1 month 6 days |
Home Equity Loan [Member] | Extended Maturity and Interest Rate Reduction [Member] | Maximum [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Reduced weighted-average contractual interest rate |  |  | 10.00% |
Home Equity Loan [Member] | Extended Maturity and Interest Rate Reduction [Member] | Minimum [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Reduced weighted-average contractual interest rate |  |  | 6.80% |
Small Business [Member] | Extended Maturity [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  |  |  | $ 105
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage |  |  |  | 0.04%
Added weighted-average contractual term to the life of the loan |  |  |  | 4 years 3 months 18 days
Small Business [Member] | Contractual Interest Rate Reduction [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  |  | $ 42 |
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage |  |  | 0.02% |
Small Business [Member] | Contractual Interest Rate Reduction [Member] | Maximum [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Reduced weighted-average contractual interest rate |  |  | 11.00% |
Small Business [Member] | Contractual Interest Rate Reduction [Member] | Minimum [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Reduced weighted-average contractual interest rate |  |  | 8.20% |
Small Business [Member] | Extended Maturity and Interest Rate Reduction [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Financing Receivable, Modified in Period, Amount |  |  | $ 34 | $ 44
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage |  |  | 0.01% | 0.02%
Added weighted-average contractual term to the life of the loan |  |  | 2 years 6 months |
Small Business [Member] | Extended Maturity and Interest Rate Reduction [Member] | Maximum [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Reduced weighted-average contractual interest rate |  |  | 10.25% | 10.00%
Small Business [Member] | Extended Maturity and Interest Rate Reduction [Member] | Minimum [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Reduced weighted-average contractual interest rate |  |  | 6.50% | 6.50%

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