Loans and Allowance for Credit Losses, Activity in Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Loans, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	$ 16,377	$ 10,819	$ 14,734	$ 10,316
Charge-offs	0	(19)	(23)	(20)
Recoveries	1	5	7	14
Net (charge-offs) recoveries	1	(14)	(16)	(6)
Provision (credit) for credit losses	4,271	2,348	5,681	2,843
Balance, end of period	20,649	13,153	20,649	13,153
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			0
Total allowance for credit losses	21,113		21,113
ASU 2016-13 [Member]
Loans, Allowance for Credit Loss [Roll Forward]
Provision (credit) for credit losses			5,700
Cumulative Effect, Period of Adoption, Adjustment [Member]
Loans, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			(250)
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Loans, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			250
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			500
Unfunded Commitment [Member]
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	576		0
Provision (credit) for credit losses	(112)		(36)
Balance, end of period	464		464
Unfunded Commitment [Member] | ASU 2016-13 [Member]
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Provision (credit) for credit losses			(36)
Unfunded Commitment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			(500)
Unfunded Commitment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			500
Construction & Development [Member]
Loans, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	1,592	1,792	1,889	1,695
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net (charge-offs) recoveries	0	0	0	0
Provision (credit) for credit losses	(111)	466	(452)	563
Balance, end of period	1,481	2,258	1,481	2,258
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Total allowance for credit losses	1,639		1,639
Construction & Development [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Loans, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			44
Construction & Development [Member] | Unfunded Commitment [Member]
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	227		0
Provision (credit) for credit losses	(69)		(13)
Balance, end of period	158		158
Construction & Development [Member] | Unfunded Commitment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			171
1 - 4 Family Real Estate [Member]
Loans, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	1,116	649	890	630
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net (charge-offs) recoveries	0	0	0	0
Provision (credit) for credit losses	30	150	394	169
Balance, end of period	1,146	799	1,146	799
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Total allowance for credit losses	1,150		1,150
1 - 4 Family Real Estate [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Loans, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			(138)
1 - 4 Family Real Estate [Member] | Unfunded Commitment [Member]
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	4		0
Provision (credit) for credit losses	0		0
Balance, end of period	4		4
1 - 4 Family Real Estate [Member] | Unfunded Commitment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			4
Commercial Real Estate - Other [Member]
Loans, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	6,089	3,216	5,080	3,399
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net (charge-offs) recoveries	0	0	0	0
Provision (credit) for credit losses	640	746	1,817	563
Balance, end of period	6,729	3,962	6,729	3,962
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Total allowance for credit losses	6,737		6,737
Commercial Real Estate - Other [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Loans, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			(168)
Commercial Real Estate - Other [Member] | Unfunded Commitment [Member]
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	14		0
Provision (credit) for credit losses	(6)		(16)
Balance, end of period	8		8
Commercial Real Estate - Other [Member] | Unfunded Commitment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			24
Commercial & Industrial [Member]
Loans, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	6,712	4,449	5,937	3,621
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net (charge-offs) recoveries	0	0	0	0
Provision (credit) for credit losses	3,718	829	3,777	1,657
Balance, end of period	10,430	5,278	10,430	5,278
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Total allowance for credit losses	10,710		10,710
Commercial & Industrial [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Loans, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			716
Commercial & Industrial [Member] | Unfunded Commitment [Member]
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	305		0
Provision (credit) for credit losses	(25)		6
Balance, end of period	280		280
Commercial & Industrial [Member] | Unfunded Commitment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			274
Agricultural [Member]
Loans, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	601	558	765	730
Charge-offs	0	0	(7)	0
Recoveries	0	0	2	0
Net (charge-offs) recoveries	0	0	(5)	0
Provision (credit) for credit losses	8	137	(2)	(35)
Balance, end of period	609	695	609	695
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Total allowance for credit losses	620		620
Agricultural [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Loans, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			(149)
Agricultural [Member] | Unfunded Commitment [Member]
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	24		0
Provision (credit) for credit losses	(13)		(14)
Balance, end of period	11		11
Agricultural [Member] | Unfunded Commitment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			25
Consumer [Member]
Loans, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	267	155	173	241
Charge-offs	0	(19)	(16)	(20)
Recoveries	1	5	5	14
Net (charge-offs) recoveries	1	(14)	(11)	(6)
Provision (credit) for credit losses	(14)	20	147	(74)
Balance, end of period	254	$ 161	254	$ 161
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Total allowance for credit losses	257		257
Consumer [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Loans, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			(55)
Consumer [Member] | Unfunded Commitment [Member]
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	2		0
Provision (credit) for credit losses	1		1
Balance, end of period	$ 3		3
Consumer [Member] | Unfunded Commitment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Unfunded Commitments, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period			$ 2