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Allowance for Credit Losses and Credit Quality of Loans, Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Interest Rate Reduction [Member]        
Financing Receivable Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]        
Decrease in weighted average contractual interest rate 0.25% 1.00% 0.60% 2.25%
Residential [Member] | Term Extension [Member]        
Financing Receivable Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]        
Period of increase in weighted-average maturity 8 years 2 months 12 days 17 years 6 years 6 months 15 years