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Loans and Allowance for Loan Losses (Details 7) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Financing Receivable, Past Due [Line Items]    
Nonaccrual loans $ 4,687 $ 1,532
Agricultural [Member]    
Financing Receivable, Past Due [Line Items]    
Nonaccrual loans 379 393
Commercial and Industrial [Member]    
Financing Receivable, Past Due [Line Items]    
Nonaccrual loans 776  
Consumer [Member]    
Financing Receivable, Past Due [Line Items]    
Nonaccrual loans 16 62
Commercial Real Estate [Member]    
Financing Receivable, Past Due [Line Items]    
Nonaccrual loans 2,185 123
Residential Real Estate [Member]    
Financing Receivable, Past Due [Line Items]    
Nonaccrual loans $ 1,331 $ 955