Loans and Allowance for Credit Losses - Loan Portfolio Aging (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	$ 1,255,658	$ 1,256,304
Loans Past Due > 89 Days, Still Accruing	0	0
Non- accrual	0	0
Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount)	1,524	1,386
Commercial:
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	139,773	178,204
Commercial: | Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	103,490	141,197
Loans Past Due > 89 Days, Still Accruing	0	0
Non- accrual	0	0
Commercial: | Agricultural production
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	36,283	37,007
Loans Past Due > 89 Days, Still Accruing	0	0
Non- accrual	0	0
Real Estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,066,764	1,036,462
Real Estate | Commercial real estate - owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	77,865	109,175
Loans Past Due > 89 Days, Still Accruing	0	0
Non- accrual	0	0
Real Estate | Construction & other land loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	195,348	194,663
Loans Past Due > 89 Days, Still Accruing	0	0
Non- accrual	0	0
Real Estate | Commercial real estate - non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	502,814	464,809
Loans Past Due > 89 Days, Still Accruing	0	0
Non- accrual	0	0
Real Estate | Farmland
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	118,616	119,648
Loans Past Due > 89 Days, Still Accruing	0	0
Non- accrual	0	0
Real Estate | Multi-family residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	53,432	24,586
Loans Past Due > 89 Days, Still Accruing	0	0
Non- accrual	0	0
Real Estate | 1-4 family - close-ended
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	90,064	93,510
Loans Past Due > 89 Days, Still Accruing	0	0
Non- accrual	0	0
Real Estate | 1-4 family - revolving
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	28,625	30,071
Loans Past Due > 89 Days, Still Accruing	0	0
Non- accrual	0	0
Consumer:
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	47,597	40,252
Loans Past Due > 89 Days, Still Accruing	0	0
Non- accrual	0	0
30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	17	5,895
30-59 Days Past Due | Commercial: | Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	440
30-59 Days Past Due | Commercial: | Agricultural production
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
30-59 Days Past Due | Real Estate | Commercial real estate - owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
30-59 Days Past Due | Real Estate | Construction & other land loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	250
30-59 Days Past Due | Real Estate | Commercial real estate - non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	4,507
30-59 Days Past Due | Real Estate | Farmland
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
30-59 Days Past Due | Real Estate | Multi-family residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
30-59 Days Past Due | Real Estate | 1-4 family - close-ended
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
30-59 Days Past Due | Real Estate | 1-4 family - revolving
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	465
30-59 Days Past Due | Consumer:
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	17	233
60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	237	0
60-89 Days Past Due | Commercial: | Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	237	0
60-89 Days Past Due | Commercial: | Agricultural production
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
60-89 Days Past Due | Real Estate | Commercial real estate - owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
60-89 Days Past Due | Real Estate | Construction & other land loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
60-89 Days Past Due | Real Estate | Commercial real estate - non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
60-89 Days Past Due | Real Estate | Farmland
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
60-89 Days Past Due | Real Estate | Multi-family residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
60-89 Days Past Due | Real Estate | 1-4 family - close-ended
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
60-89 Days Past Due | Real Estate | 1-4 family - revolving
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
60-89 Days Past Due | Consumer:
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Greater Than 90 Days Past Due | Commercial: | Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Greater Than 90 Days Past Due | Commercial: | Agricultural production
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Greater Than 90 Days Past Due | Real Estate | Commercial real estate - owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Greater Than 90 Days Past Due | Real Estate | Construction & other land loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Greater Than 90 Days Past Due | Real Estate | Commercial real estate - non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Greater Than 90 Days Past Due | Real Estate | Farmland
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Greater Than 90 Days Past Due | Real Estate | Multi-family residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Greater Than 90 Days Past Due | Real Estate | 1-4 family - close-ended
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Greater Than 90 Days Past Due | Real Estate | 1-4 family - revolving
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Greater Than 90 Days Past Due | Consumer:
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Financial Asset, Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	254	5,895
Financial Asset, Past Due | Commercial: | Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	237	440
Financial Asset, Past Due | Commercial: | Agricultural production
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Financial Asset, Past Due | Real Estate | Commercial real estate - owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Financial Asset, Past Due | Real Estate | Construction & other land loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	250
Financial Asset, Past Due | Real Estate | Commercial real estate - non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	4,507
Financial Asset, Past Due | Real Estate | Farmland
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Financial Asset, Past Due | Real Estate | Multi-family residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Financial Asset, Past Due | Real Estate | 1-4 family - close-ended
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Financial Asset, Past Due | Real Estate | 1-4 family - revolving
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	465
Financial Asset, Past Due | Consumer:
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	17	233
Financial Asset, Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,255,404	1,250,409
Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount)	1,524	1,386
Financial Asset, Not Past Due | Commercial: | Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	103,253	140,757
Financial Asset, Not Past Due | Commercial: | Agricultural production
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	36,283	37,007
Financial Asset, Not Past Due | Real Estate | Commercial real estate - owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	77,865	109,175
Financial Asset, Not Past Due | Real Estate | Construction & other land loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	195,348	194,413
Financial Asset, Not Past Due | Real Estate | Commercial real estate - non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	502,814	460,302
Financial Asset, Not Past Due | Real Estate | Farmland
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	118,616	119,648
Financial Asset, Not Past Due | Real Estate | Multi-family residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	53,432	24,586
Financial Asset, Not Past Due | Real Estate | 1-4 family - close-ended
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	90,064	93,510
Financial Asset, Not Past Due | Real Estate | 1-4 family - revolving
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	28,625	29,606
Financial Asset, Not Past Due | Consumer:
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	$ 47,580	$ 40,019