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Loans and Allowance for Credit Losses - Summary of Impaired Loans by Loan Category (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2022
Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Recorded Investment with no related allowance recorded $ 307 $ 307 $ 550
Unpaid Principal Balance with no related allowance recorded 428 428 595
Recorded Investment with an allowance recorded 2,330 2,330 2,296
Unpaid Principal Balance with an allowance recorded 2,486 2,486 2,330
Related Allowance 157 157 153
Recorded Investment 2,637 2,637 2,846
Unpaid Principal Balance 2,914 2,914 2,925
Average Recorded Investment with no related allowance recorded 530 509  
Interest Income Recognized with no related allowance recorded 0 0  
Average Recorded Investment with an allowance recorded 2,134 3,418  
Interest Income Recognized with an allowance recorded 19 59  
Average Recorded Investment 2,664 0  
Interest Income Recognized 19 59  
Agricultural [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Recorded Investment with no related allowance recorded 307 307 0
Unpaid Principal Balance with no related allowance recorded 428 428 0
Recorded Investment with an allowance recorded 5 5 23
Unpaid Principal Balance with an allowance recorded 5 5 27
Related Allowance 1 1 2
Recorded Investment 312 312 23
Unpaid Principal Balance 433 433 27
Average Recorded Investment with no related allowance recorded 310 312  
Interest Income Recognized with no related allowance recorded 0 0  
Average Recorded Investment with an allowance recorded 6 1,136  
Interest Income Recognized with an allowance recorded 0 0  
Average Recorded Investment 316 1,448  
Interest Income Recognized 0 0  
Commercial and Industrial [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Recorded Investment with no related allowance recorded 0 0 0
Unpaid Principal Balance with no related allowance recorded 0 0 0
Recorded Investment with an allowance recorded 108 108 177
Unpaid Principal Balance with an allowance recorded 185 185 177
Related Allowance 6 6 14
Recorded Investment 108 108 177
Unpaid Principal Balance 185 185 177
Average Recorded Investment with no related allowance recorded 0 23  
Interest Income Recognized with no related allowance recorded 0 0  
Average Recorded Investment with an allowance recorded 134 217  
Interest Income Recognized with an allowance recorded 1 3  
Average Recorded Investment 134 240  
Interest Income Recognized 1 3  
Consumer Portfolio Segment [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Recorded Investment with no related allowance recorded 0 0 0
Unpaid Principal Balance with no related allowance recorded 0 0 0
Recorded Investment with an allowance recorded 7 7 7
Unpaid Principal Balance with an allowance recorded 7 7 7
Related Allowance 1 1 1
Recorded Investment 7 7 7
Unpaid Principal Balance 7 7 7
Average Recorded Investment with no related allowance recorded 0 0  
Interest Income Recognized with no related allowance recorded 0 0  
Average Recorded Investment with an allowance recorded 7 15  
Interest Income Recognized with an allowance recorded 0 0  
Average Recorded Investment 7 15  
Interest Income Recognized 0 0  
Construction Real Estate [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Recorded Investment with no related allowance recorded 0 0 0
Unpaid Principal Balance with no related allowance recorded 0 0 0
Recorded Investment with an allowance recorded 0 0 0
Unpaid Principal Balance with an allowance recorded 0 0 0
Related Allowance 0 0 0
Recorded Investment 0 0 0
Unpaid Principal Balance 0 0 0
Average Recorded Investment with no related allowance recorded 0 0  
Interest Income Recognized with no related allowance recorded 0 0  
Average Recorded Investment with an allowance recorded 0 0  
Interest Income Recognized with an allowance recorded 0 0  
Average Recorded Investment 0 0  
Interest Income Recognized 0 0  
Commercial Real Estate Portfolio Segment [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Recorded Investment with no related allowance recorded 0 0 0
Unpaid Principal Balance with no related allowance recorded 0 0 0
Recorded Investment with an allowance recorded 140 140 165
Unpaid Principal Balance with an allowance recorded 140 140 165
Related Allowance 6 6 5
Recorded Investment 140 140 165
Unpaid Principal Balance 140 140 165
Average Recorded Investment with no related allowance recorded 0 23  
Interest Income Recognized with no related allowance recorded 0 0  
Average Recorded Investment with an allowance recorded 145 159  
Interest Income Recognized with an allowance recorded 2 7  
Average Recorded Investment 145 182  
Interest Income Recognized 2 7  
Residential Portfolio Segment [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Recorded Investment with no related allowance recorded 0 0 550
Unpaid Principal Balance with no related allowance recorded 0 0 595
Recorded Investment with an allowance recorded 2,070 2,070 1,924
Unpaid Principal Balance with an allowance recorded 2,149 2,149 1,954
Related Allowance 143 143 131
Recorded Investment 2,070 2,070 2,474
Unpaid Principal Balance 2,149 2,149 $ 2,549
Average Recorded Investment with no related allowance recorded 220 151  
Interest Income Recognized with no related allowance recorded 0 0  
Average Recorded Investment with an allowance recorded 1,842 1,891  
Interest Income Recognized with an allowance recorded 16 49  
Average Recorded Investment 2,062 2,042  
Interest Income Recognized $ 16 $ 49