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Loans and ACL (Summary of Loan Modification Effects) (Details)
3 Months Ended
Mar. 31, 2023
Agricultural [Member]  
Financing Receivable, Troubled Debt Restructuring [Line Items]  
Financing Receivable Modification Weighted Average Extension Term 1 year
Residential Real Estate  
Financing Receivable, Troubled Debt Restructuring [Line Items]  
Financing Receivable Modification Weighted Average Extension Term 2 years 7 months 6 days