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Loans and Allowance for Credit Losses on Loans - Loan Modifications (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Financing Receivable |  |  |  |  |  |
Total Loans modified | $ 37,004 | $ 26,596 | $ 41,172 | $ 43,003 | $ 42,865 | $ 43,003
Total Loan Segment Modified to Total Loan Segment | 0.90% | 0.70% | 1.00% | 1.10% |  |
Weighted-Average Term Extension (In Months) | 10 months 1 day | 11 months 11 days | 10 months 11 days | 11 months 5 days |  |
Weighted-Average Interest Rate Change | 1.04% |  | 0.69% | 5.00% |  |
Weighted-Average Delay of Payment (In Months) |  |  |  | 7 months 5 days |  |
60 to 89 Days Past Due |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  |  | 12,505 |
90 Days or Greater Past Due |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  |  |  | 979
Total Past Due |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  |  | 12,505 | 979
Current |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  |  | 30,360 | 42,024
Term Extension |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified | $ 25,120 | $ 17,773 | $ 25,367 | $ 31,416 |  |
Combination - Term Extension, Interest Rate Modification, Payment Modification, and Principal Reduction |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified | 4,998 |  | 4,998 |  |  |
Combination - Term Extension and Interest Rate Modification |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  | 3,258 | 979 |  |
Combination - Term Extension and Payment Modification |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified | 6,886 | 8,823 | 7,549 | 10,608 |  |
Commercial |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified | $ 3,794 | $ 864 | $ 4,041 | $ 2,692 | 5,536 | 2,692
Total Loan Segment Modified to Total Loan Segment | 0.50% | 0.10% | 0.50% | 0.30% |  |
Weighted-Average Term Extension (In Months) | 7 months | 10 months 17 days | 7 months 1 day | 6 months 22 days |  |
Weighted-Average Interest Rate Change | 0.50% |  | 0.50% | 5.00% |  |
Commercial | 90 Days or Greater Past Due |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  |  |  | 979
Commercial | Total Past Due |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  |  |  | 979
Commercial | Current |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  |  | 5,536 | 1,713
Commercial | Term Extension |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  | $ 864 | $ 247 | $ 1,713 |  |
Commercial | Combination - Term Extension, Interest Rate Modification, Payment Modification, and Principal Reduction |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified | $ 3,794 |  | 3,794 |  |  |
Commercial | Combination - Term Extension and Interest Rate Modification |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  | 979 |  |
Commercial real estate - Investor |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified | $ 19,435 | $ 8,823 | $ 19,435 | $ 23,363 | 19,435 | 23,363
Total Loan Segment Modified to Total Loan Segment | 1.90% | 0.80% | 1.90% | 2.20% |  |
Weighted-Average Term Extension (In Months) | 6 months | 7 months | 6 months | 9 months 24 days |  |
Weighted-Average Delay of Payment (In Months) |  |  |  | 7 months 5 days |  |
Commercial real estate - Investor | Current |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  |  | 19,435 | 23,363
Commercial real estate - Investor | Term Extension |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified | $ 12,549 |  | $ 12,549 | $ 12,755 |  |
Commercial real estate - Investor | Combination - Term Extension and Payment Modification |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified | 6,886 | $ 8,823 | 6,886 | 10,608 |  |
Commercial real estate - Owner occupied |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified | $ 12,571 | $ 16,218 | $ 16,492 | $ 16,218 | 16,492 | 16,218
Total Loan Segment Modified to Total Loan Segment | 1.80% | 2.00% | 2.30% | 2.00% |  |
Weighted-Average Term Extension (In Months) | 12 months 14 days | 14 months | 12 months 21 days | 14 months |  |
Weighted-Average Interest Rate Change |  |  | 0.15% |  |  |
Commercial real estate - Owner occupied | 60 to 89 Days Past Due |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  |  | 12,505 |
Commercial real estate - Owner occupied | Total Past Due |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  |  | 12,505 |
Commercial real estate - Owner occupied | Current |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  |  | 3,987 | 16,218
Commercial real estate - Owner occupied | Term Extension |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified | $ 12,571 | $ 16,218 | $ 12,571 | $ 16,218 |  |
Commercial real estate - Owner occupied | Combination - Term Extension and Interest Rate Modification |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  | 3,258 |  |  |
Commercial real estate - Owner occupied | Combination - Term Extension and Payment Modification |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  | $ 663 |  |  |
Residential real estate - Owner occupied |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  | $ 437 |  | $ 437 | 111 | 437
Total Loan Segment Modified to Total Loan Segment | 0.00% | 0.20% | 0.00% | 0.00% |  |
Weighted-Average Term Extension (In Months) |  | 2 months |  | 2 months |  |
Residential real estate - Owner occupied | Current |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  |  | 111 | 437
Residential real estate - Owner occupied | Term Extension |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  | $ 437 |  | $ 437 |  |
Multifamily |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified | $ 1,204 | $ 254 | $ 1,204 | $ 254 | 1,204 | 254
Total Loan Segment Modified to Total Loan Segment | 0.30% | 0.10% | 0.30% | 0.10% |  |
Weighted-Average Term Extension (In Months) | 60 months | 16 months | 60 months | 16 months |  |
Weighted-Average Interest Rate Change | 2.75% |  | 2.75% |  |  |
Multifamily | Current |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  |  | 1,204 | 254
Multifamily | Term Extension |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  | $ 254 |  | $ 254 |  |
Multifamily | Combination - Term Extension, Interest Rate Modification, Payment Modification, and Principal Reduction |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified | $ 1,204 |  | $ 1,204 |  |  |
HELOC |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  | $ 39 | 87 | 39
Total Loan Segment Modified to Total Loan Segment | 0.00% | 0.00% | 0.00% | 0.00% |  |
Weighted-Average Term Extension (In Months) |  |  |  | 24 months |  |
HELOC | Current |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  |  | $ 87 | $ 39
HELOC | Term Extension |  |  |  |  |  |
Financing Receivable |  |  |  |  |  |
Total Loans modified |  |  |  | $ 39 |  |

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