Loans and Allowance for Credit Losses - Collateral-Dependent Gross Loans Held for Investment (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Loans and Allowance for Credit Losses [Abstract]
Total Loans	$ 1,500,059	$ 1,399,293
Specific allocation	0	217
Construction & Development [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	192,910	167,685
Specific allocation	0	0
1 - 4 Family Real Estate [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	125,637	121,047
Specific allocation	0	0
Commercial Real Estate - Other [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	554,902	511,304
Specific allocation	0	217
Commercial & Industrial [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	534,950	507,023
Specific allocation	0	0
Agricultural [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	78,126	77,922
Specific allocation	0	0
Consumer [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	13,534	14,312
Specific allocation	0	0
Real Estate [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	1,429	4,426
Real Estate [Member] | Construction & Development [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
Real Estate [Member] | 1 - 4 Family Real Estate [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
Real Estate [Member] | Commercial Real Estate - Other [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	1,429	4,426
Real Estate [Member] | Commercial & Industrial [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
Real Estate [Member] | Agricultural [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
Real Estate [Member] | Consumer [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
Business Assets [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	7,233	10,722
Business Assets [Member] | Construction & Development [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	563	563
Business Assets [Member] | 1 - 4 Family Real Estate [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
Business Assets [Member] | Commercial Real Estate - Other [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	91	550
Business Assets [Member] | Commercial & Industrial [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	6,579	9,609
Business Assets [Member] | Agricultural [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
Business Assets [Member] | Consumer [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
Other Assets [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	8,662	15,148
Other Assets [Member] | Construction & Development [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	563	563
Other Assets [Member] | 1 - 4 Family Real Estate [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
Other Assets [Member] | Commercial Real Estate - Other [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	1,520	4,976
Other Assets [Member] | Commercial & Industrial [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	6,579	9,609
Other Assets [Member] | Agricultural [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	0	0
Other Assets [Member] | Consumer [Member]
Loans and Allowance for Credit Losses [Abstract]
Total Loans	$ 0	$ 0