Loans and Allowance for Credit Losses - Loans Modified as Troubled Debt Restructurings (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) Modification	Dec. 31, 2021 USD ($) Modification
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivables, Modifications during Period, Number | Modification	12	10
Financing Receivables, Modifications during Period, Balance | $	$ 1,040	$ 1,434
Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivables, Modifications during Period, Number | Modification	8	3
Financing Receivables, Modifications during Period, Balance | $	$ 715	$ 1,107
Real Estate Loan | 1-4 Family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivables, Modifications during Period, Number | Modification	4	1
Financing Receivables, Modifications during Period, Balance | $	$ 422	$ 183
Agricultural | Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivables, Modifications during Period, Number | Modification	2	1
Financing Receivables, Modifications during Period, Balance | $	$ 97	$ 245
Commercial Real Estate | Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivables, Modifications during Period, Number | Modification	2	1
Financing Receivables, Modifications during Period, Balance | $	$ 196	$ 679
Commercial and Industrial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivables, Modifications during Period, Number | Modification	4	2
Financing Receivables, Modifications during Period, Balance | $	$ 325	$ 254
Consumer Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivables, Modifications during Period, Number | Modification	0	4
Financing Receivables, Modifications during Period, Balance | $	$ 0	$ 50
All Other Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivables, Modifications during Period, Number | Modification	0	1
Financing Receivables, Modifications during Period, Balance | $	$ 0	$ 23