Loans and Allowance for Credit Losses - Recorded Balance of Troubled Debt Restructurings (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings Balance	$ 5,012	$ 5,792
Financing Receivable Modifications Performing Recorded Investment	2,946	3,931
Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings Balance	4,489	4,953
Financing Receivable Modifications Performing Recorded Investment	2,870	3,679
Residential Properties | Real Estate Loan | 1-4 Family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings Balance	1,082	1,353
Financing Receivable Modifications Performing Recorded Investment	659	882
Agricultural Real Estate Loans | Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings Balance	233	245
Financing Receivable Modifications Performing Recorded Investment	233	245
Commercial | Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings Balance	3,174	3,355
Financing Receivable Modifications Performing Recorded Investment	1,978	2,552
Agricultural Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings Balance	168	228
Commercial and Industrial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings Balance	313	479
Financing Receivable Modifications Performing Recorded Investment	37	179
Consumer Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings Balance	42	109
Financing Receivable Modifications Performing Recorded Investment	$ 39	50
All Other Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings Balance		23
Financing Receivable Modifications Performing Recorded Investment		$ 23