Loans and Allowance for Credit Losses - Amortized Cost Basis of Loans on Nonaccrual Status and Nonaccrual Loans Individually Evaluated (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	$ 13,399	$ 15,545
Financing Receivable, Nonaccrual	13,798	15,956
Construction and Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	14	14
Financing Receivable, Nonaccrual	14	14
Agricultural Real Estate Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	1,246	1,258
Financing Receivable, Nonaccrual	1,246	1,258
1-4 Family Residential Properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	3,167	4,532
Financing Receivable, Nonaccrual	3,442	4,943
Multifamily Residential Properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	1,162	672
Financing Receivable, Nonaccrual	1,162	672
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	6,076	7,640
Financing Receivable, Nonaccrual	6,076	7,640
Loans Secured by Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	11,665	14,116
Financing Receivable, Nonaccrual	11,940	14,527
Agricultural Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	483	57
Financing Receivable, Nonaccrual	483	57
Commercial and Industrial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	1,012	1,098
Financing Receivable, Nonaccrual	1,136	1,098
Consumer Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	239	274
Financing Receivable, Nonaccrual	239	274
All Other Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, Nonaccrual	$ 0	$ 0