Loans and Allowance for Loan Losses, Loan Portfolio Based on Internal Rating Category (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	$ 840,205	$ 708,668
1 (Pass) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	780,588	678,048
2 (Watch) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	25,252	5,850
3 (Special Mention) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	18,089	13,652
4 (Substandard) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	16,276	11,118
Construction & Development [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	92,380	70,628
Construction & Development [Member] | 1 (Pass) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	92,380	70,628
Construction & Development [Member] | 2 (Watch) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	0	0
Construction & Development [Member] | 3 (Special Mention) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	0	0
Construction & Development [Member] | 4 (Substandard) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	0	0
1 - 4 Family Real Estate [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	29,675	34,160
1 - 4 Family Real Estate [Member] | 1 (Pass) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	27,745	33,622
1 - 4 Family Real Estate [Member] | 2 (Watch) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	787	538
1 - 4 Family Real Estate [Member] | 3 (Special Mention) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	0	0
1 - 4 Family Real Estate [Member] | 4 (Substandard) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	1,143	0
Commercial Real Estate - Other [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	285,609	273,278
Commercial Real Estate - Other [Member] | 1 (Pass) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	269,191	267,437
Commercial Real Estate - Other [Member] | 2 (Watch) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	9,811	0
Commercial Real Estate - Other [Member] | 3 (Special Mention) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	2,998	0
Commercial Real Estate - Other [Member] | 4 (Substandard) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	3,609	5,841
Commercial & Industrial [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	372,554	260,762
Commercial & Industrial [Member] | 1 (Pass) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	335,070	241,176
Commercial & Industrial [Member] | 2 (Watch) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	14,654	5,312
Commercial & Industrial [Member] | 3 (Special Mention) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	15,091	11,524
Commercial & Industrial [Member] | 4 (Substandard) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	7,739	2,750
Agricultural [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	49,274	57,945
Agricultural [Member] | 1 (Pass) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	45,489	53,290
Agricultural [Member] | 2 (Watch) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	0	0
Agricultural [Member] | 3 (Special Mention) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	0	2,128
Agricultural [Member] | 4 (Substandard) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	3,785	2,527
Consumer [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	10,713	11,895
Consumer [Member] | 1 (Pass) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	10,713	11,895
Consumer [Member] | 2 (Watch) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	0	0
Consumer [Member] | 3 (Special Mention) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	0	0
Consumer [Member] | 4 (Substandard) [Member]
Loans Portfolio based on Internal Rating [Abstract]
Gross loans	$ 0	$ 0