Loans and Allowance for Credit Losses - Loan Portfolio Aging Analysis of Recorded Investment in Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Loans and Allowance for Credit Losses [Abstract]
Total Loans	$ 1,596,545	$ 1,609,367
Total Loans > 90 Days & Accruing	17	0
Construction & Development [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	229,894	224,566
Total Loans > 90 Days & Accruing	0	0
1 - 4 Family Real Estate [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	135,393	126,122
Total Loans > 90 Days & Accruing	17	0
Commercial Real Estate - Other [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	594,921	587,597
Total Loans > 90 Days & Accruing	0	0
Commercial & Industrial [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	535,978	567,280
Total Loans > 90 Days & Accruing	0	0
Agricultural [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	87,714	90,908
Total Loans > 90 Days & Accruing	0	0
Consumer [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	12,645	12,894
Total Loans > 90 Days & Accruing	0	0
30-59 Days [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	410	1,858
30-59 Days [Member] \| Construction & Development [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	79
30-59 Days [Member] \| 1 - 4 Family Real Estate [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	410	47
30-59 Days [Member] \| Commercial Real Estate - Other [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
30-59 Days [Member] \| Commercial & Industrial [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	1,702
30-59 Days [Member] \| Agricultural [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
30-59 Days [Member] \| Consumer [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	30
60-89 Days [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	8,031	1,503
60-89 Days [Member] \| Construction & Development [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	8,031	0
60-89 Days [Member] \| 1 - 4 Family Real Estate [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
60-89 Days [Member] \| Commercial Real Estate - Other [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	1,423
60-89 Days [Member] \| Commercial & Industrial [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	80
60-89 Days [Member] \| Agricultural [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
60-89 Days [Member] \| Consumer [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
Greater than 90 Days [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	71	3,429
Greater than 90 Days [Member] \| Construction & Development [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
Greater than 90 Days [Member] \| 1 - 4 Family Real Estate [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	17	0
Greater than 90 Days [Member] \| Commercial Real Estate - Other [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
Greater than 90 Days [Member] \| Commercial & Industrial [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	54	3,429
Greater than 90 Days [Member] \| Agricultural [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
Greater than 90 Days [Member] \| Consumer [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
Past Due [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	8,512	6,790
Past Due [Member] \| Construction & Development [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	8,031	79
Past Due [Member] \| 1 - 4 Family Real Estate [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	427	47
Past Due [Member] \| Commercial Real Estate - Other [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	1,423
Past Due [Member] \| Commercial & Industrial [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	54	5,211
Past Due [Member] \| Agricultural [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
Past Due [Member] \| Consumer [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	30
Current [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	1,588,033	1,602,577
Current [Member] \| Construction & Development [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	221,863	224,487
Current [Member] \| 1 - 4 Family Real Estate [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	134,966	126,075
Current [Member] \| Commercial Real Estate - Other [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	594,921	586,174
Current [Member] \| Commercial & Industrial [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	535,924	562,069
Current [Member] \| Agricultural [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	87,714	90,908
Current [Member] \| Consumer [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	$ 12,645	$ 12,864