Loans, Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty (Details)	12 Months Ended
	Dec. 31, 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	9.50%
Weighted-average contractual interest rate, post-modification	7.80%
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	9.50%
Weighted-average contractual interest rate, post-modification	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, pre-modification	7.00%
Weighted-average contractual interest rate, post-modification	4.40%
Term Extension [Member] | Commercial Real Estate Residential [Member]
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]
Weighted-average term increased	6 months
Term Extension [Member] | Commercial Real Estate Nonresidential [Member]
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]
Weighted-average term increased	1 month 6 days
Term Extension [Member] | Commercial Other [Member]
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]
Weighted-average term increased	3 years
Term Extension [Member] | Real Estate Mortgage [Member]
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]
Weighted-average term increased	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 1 month 6 days
Term Extension [Member] | Consumer Direct [Member]
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]
Weighted-average term increased	9 months 18 days
Term Extension [Member] | Consumer Indirect [Member]
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]
Weighted-average term increased	3 months 18 days
Combination - Term Extension and Interest Rate Reduction [Member] | Commercial Other [Member]
Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty [Abstract]
Weighted-average contractual interest rate, pre-modification	12.80%
Weighted-average contractual interest rate, post-modification	11.30%
Weighted-average term increased	2 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	6.30%
Weighted-average contractual interest rate, post-modification	5.80%
Weighted-average term increased	12 years 2 months 12 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	9.40%
Weighted-average contractual interest rate, post-modification	8.10%
Weighted-average term increased	9 years 3 months 18 days