Loans, Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	$ 21,652	$ 17,570	$ 18,552	$ 17,304
Allowance for credit loss on PCD acquired loans			1,689
Charge-offs	(808)	(13)	(819)	(464)
Recoveries	10	9	41	26
Provision	601	725	5,292	1,425
Balance at end of period	21,455	18,291	21,455	18,291
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period			(3,300)
Residential [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Charge-offs			(1)
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Charge-offs			0
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Charge-offs			0
Real Estate Loans [Member] | Residential [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	2,675	1,015	1,056	1,147
Allowance for credit loss on PCD acquired loans			108
Charge-offs	0	0	(1)	0
Recoveries	0	0	0	0
Provision	(110)	(10)	1,323	(142)
Balance at end of period	2,565	1,005	2,565	1,005
Real Estate Loans [Member] | Residential [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period			79
Real Estate Loans [Member] | Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	9,274	9,216	10,120	8,099
Allowance for credit loss on PCD acquired loans			39
Charge-offs	0	0	0	0
Recoveries	2	0	2	0
Provision	(91)	721	2,094	1,838
Balance at end of period	9,185	9,937	9,185	9,937
Real Estate Loans [Member] | Commercial [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period			(3,070)
Real Estate Loans [Member] | Agricultural [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	3,579	4,484	4,589	4,729
Allowance for credit loss on PCD acquired loans			37
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(104)	54	(6)	(191)
Balance at end of period	3,475	4,538	3,475	4,538
Real Estate Loans [Member] | Agricultural [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period			(1,145)
Real Estate Loans [Member] | Construction [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	1,667	563	801	434
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	166	115	1,135	244
Balance at end of period	1,833	678	1,833	678
Real Estate Loans [Member] | Construction [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period			(103)
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	1,259	464	135	262
Allowance for credit loss on PCD acquired loans			677
Charge-offs	(45)	(13)	(55)	(30)
Recoveries	3	5	30	15
Provision	503	(224)	(107)	(15)
Balance at end of period	1,720	232	1,720	232
Consumer [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period			1,040
Other Commercial Loans [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	2,477	1,173	1,040	1,023
Allowance for credit loss on PCD acquired loans			828
Charge-offs	(763)	0	(763)	(434)
Recoveries	5	4	9	11
Provision	353	(784)	1,286	(207)
Balance at end of period	2,072	393	2,072	393
Other Commercial Loans [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period			(328)
Other Agricultural Loans [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	268	446	489	558
Allowance for credit loss on PCD acquired loans			0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(39)	913	(41)	801
Balance at end of period	229	1,359	229	1,359
Other Agricultural Loans [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period			(219)
Subdivision Loans [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	52	323	322	281
Allowance for credit loss on PCD acquired loans			0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(4)	2	6	44
Balance at end of period	48	325	48	325
Subdivision Loans [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period			(280)
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	401	(114)	0	771
Allowance for credit loss on PCD acquired loans			0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(73)	(62)	(398)	(947)
Balance at end of period	$ 328	$ (176)	328	$ (176)
Unallocated [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period			$ 726