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Loans, Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2023
Interest Rate Reduction [Member] | Commercial Real Estate Residential [Member]    
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]    
Weighted-average contractual interest rate, pre-modification   9.60%
Weighted-average contractual interest rate, post-modification   8.00%
Interest Rate Reduction [Member] | Commercial Real Estate Nonresidential [Member]    
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]    
Weighted-average contractual interest rate, pre-modification 10.80% 9.50%
Weighted-average contractual interest rate, post-modification 8.50% 7.50%
Interest Rate Reduction [Member] | Real Estate Mortgage [Member]    
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]    
Weighted-average contractual interest rate   3.00%
Term Extension [Member] | Commercial Real Estate Residential [Member]    
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]    
Weighted-average term increased 11 years 8 months 12 days  
Term Extension [Member] | Commercial Other [Member]    
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]    
Weighted-average term increased 9 months 18 days 1 year 4 months 24 days
Term Extension [Member] | Real Estate Mortgage [Member]    
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]    
Weighted-average term increased 4 years 2 years 9 months 18 days
Term Extension [Member] | Home Equity Lines [Member]    
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]    
Weighted-average term increased   6 years 9 months 18 days
Term Extension [Member] | Consumer Direct [Member]    
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]    
Weighted-average term increased 2 months 12 days 7 months 6 days
Term Extension [Member] | Consumer Indirect [Member]    
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]    
Weighted-average term increased 6 months 3 months 18 days
Combination - Term Extension and Interest Rate Reduction [Member] | Commercial Real Estate Residential [Member]    
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]    
Weighted-average contractual interest rate, pre-modification   10.40%
Weighted-average contractual interest rate, post-modification   7.20%
Weighted-average term increased   5 years 10 months 24 days
Combination - Term Extension and Interest Rate Reduction [Member] | Real Estate Mortgage [Member]    
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]    
Weighted-average contractual interest rate, pre-modification 6.80% 7.10%
Weighted-average contractual interest rate, post-modification 6.20% 6.10%
Weighted-average term increased 9 years 8 months 12 days 11 years 3 months 18 days
Combination - Term Extension and Interest Rate Reduction [Member] | Home Equity Lines [Member]    
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]    
Weighted-average contractual interest rate, pre-modification 10.30% 9.10%
Weighted-average contractual interest rate, post-modification 8.30% 8.00%
Weighted-average term increased 14 years 3 months 18 days 10 years 2 months 12 days