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Loans and ACL (Summary of Changes in ACL by segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2023
Financing Receivable, Nonaccrual [Line Items]
Allowance for loan losses, Beginning Balance	$ 13,108	$ 9,850	$ 9,103
Financing Receivable, Allowance for Credit Loss, Writeoff	(824)	(619)
Allowance for loan losses, Recoveries	709	883
Financing Receivable, Credit Loss, Expense (Reversal)	629
Provision for loan losses	629	483	(518)
Individually evaluated for impairment, ACL		451
Collectively evaluated for impairment, ALLL		9,399
Individually Evaluated for Impairment, Loans		22,018
Financing Receivable, Collectively Evaluated for Impairment		1,242,155
Total		1,264,173
Accounting Standards Update 2016-13
Financing Receivable, Nonaccrual [Line Items]
Allowance for loan losses, Beginning Balance	2,744			$ 2,744
Commercial [Member]
Financing Receivable, Nonaccrual [Line Items]
Allowance for loan losses, Beginning Balance	968	860
Financing Receivable, Allowance for Credit Loss, Writeoff	(276)
Allowance for loan losses, Recoveries	79
Financing Receivable, Credit Loss, Expense (Reversal)	363
Total		744,440
Commercial [Member] \| Accounting Standards Update 2016-13
Financing Receivable, Nonaccrual [Line Items]
Allowance for loan losses, Beginning Balance	(58)			(58)
Commercial Real Estate
Financing Receivable, Nonaccrual [Line Items]
Allowance for loan losses, Beginning Balance	5,878	461
Financing Receivable, Allowance for Credit Loss, Writeoff	0
Allowance for loan losses, Recoveries	26
Financing Receivable, Credit Loss, Expense (Reversal)	(141)
Total		566,012
Commercial Real Estate \| Accounting Standards Update 2016-13
Financing Receivable, Nonaccrual [Line Items]
Allowance for loan losses, Beginning Balance	5,532			5,532
Commercial and Commercial Real Estate Portfolio Segment
Financing Receivable, Nonaccrual [Line Items]
Allowance for loan losses, Beginning Balance		1,321	1,740
Financing Receivable, Allowance for Credit Loss, Writeoff		(77)
Allowance for loan losses, Recoveries		442
Provision for loan losses		(784)
Individually evaluated for impairment, ACL		12
Collectively evaluated for impairment, ALLL		1,309
Individually Evaluated for Impairment, Loans		8,342
Financing Receivable, Collectively Evaluated for Impairment		736,098
Total		744,440
Agricultural [Member]
Financing Receivable, Nonaccrual [Line Items]
Allowance for loan losses, Beginning Balance	270	577	289
Financing Receivable, Allowance for Credit Loss, Writeoff	(4)	0
Allowance for loan losses, Recoveries	12	9
Financing Receivable, Credit Loss, Expense (Reversal)	(68)
Provision for loan losses		279
Individually evaluated for impairment, ACL		0
Collectively evaluated for impairment, ALLL		577
Individually Evaluated for Impairment, Loans		10,935
Financing Receivable, Collectively Evaluated for Impairment		94,050
Total		104,985
Agricultural [Member] \| Accounting Standards Update 2016-13
Financing Receivable, Nonaccrual [Line Items]
Allowance for loan losses, Beginning Balance	(247)			(247)
Residential Mortgage
Financing Receivable, Nonaccrual [Line Items]
Allowance for loan losses, Beginning Balance	4,336	617	747
Financing Receivable, Allowance for Credit Loss, Writeoff	(2)	0
Allowance for loan losses, Recoveries	329	150
Financing Receivable, Credit Loss, Expense (Reversal)	(143)
Provision for loan losses		(280)
Individually evaluated for impairment, ACL		439
Collectively evaluated for impairment, ALLL		178
Individually Evaluated for Impairment, Loans		2,741
Financing Receivable, Collectively Evaluated for Impairment		333,953
Total		336,694
Residential Mortgage \| Accounting Standards Update 2016-13
Financing Receivable, Nonaccrual [Line Items]
Allowance for loan losses, Beginning Balance	3,535			3,535
Consumer [Member]
Financing Receivable, Nonaccrual [Line Items]
Allowance for loan losses, Beginning Balance	1,656	961	908
Financing Receivable, Allowance for Credit Loss, Writeoff	(542)	(542)
Allowance for loan losses, Recoveries	263	282
Financing Receivable, Credit Loss, Expense (Reversal)	618
Provision for loan losses		313
Individually evaluated for impairment, ACL		0
Collectively evaluated for impairment, ALLL		961
Individually Evaluated for Impairment, Loans		0
Financing Receivable, Collectively Evaluated for Impairment		78,054
Total		78,054
Consumer [Member] \| Accounting Standards Update 2016-13
Financing Receivable, Nonaccrual [Line Items]
Allowance for loan losses, Beginning Balance	356
Unallocated Financing Receivables [Member]
Financing Receivable, Nonaccrual [Line Items]
Allowance for loan losses, Beginning Balance	0	6,374	$ 5,419
Financing Receivable, Allowance for Credit Loss, Writeoff	0	0
Allowance for loan losses, Recoveries	0	0
Financing Receivable, Credit Loss, Expense (Reversal)	0
Provision for loan losses		955
Individually evaluated for impairment, ACL		0
Collectively evaluated for impairment, ALLL		$ 6,374
Unallocated Financing Receivables [Member] \| Accounting Standards Update 2016-13
Financing Receivable, Nonaccrual [Line Items]
Allowance for loan losses, Beginning Balance	$ (6,374)			$ (6,374)