Loans Schedule of loans individually evaluated for impairment by class of loan (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Interest Income, Cash Basis Method	$ 3,172	$ 1,795	$ 2,770
Impaired Financing Receivable, Related Allowance	5,801	4,175
Impaired Financing Receivable, Recorded Investment	45,215	78,341
commercial financial agricultural less PPP and overdraft
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Interest Income, Cash Basis Method	1,843	438	180
Impaired Financing Receivable, Related Allowance	4,985	3,440
PPP Loans
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Interest Income, Cash Basis Method	0	0	0
Impaired Financing Receivable, Related Allowance	0	0
Bank Overdrafts
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Interest Income, Cash Basis Method	0	0	0
Impaired Financing Receivable, Related Allowance	0	0
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Interest Income, Cash Basis Method	781	956	1,844
Impaired Financing Receivable, Related Allowance	2	130
Construction Real Estate Remaining Commercial [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Interest Income, Cash Basis Method	65	32	39
Impaired Financing Receivable, Related Allowance	0	0
Construction Real Estate Retail
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Interest Income, Cash Basis Method	0	13	4
Impaired Financing Receivable, Related Allowance	0	19
Residential Real Estate Commercial [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Interest Income, Cash Basis Method	136	88	204
Impaired Financing Receivable, Related Allowance	0	0
Residential Real Estate Mortgage [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Interest Income, Cash Basis Method	227	157	301
Impaired Financing Receivable, Related Allowance	117	85
Residential Real Estate Home Equity Line Of Credit [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Interest Income, Cash Basis Method	20	16	17
Impaired Financing Receivable, Related Allowance	25	191
Residential Real Estate Installment [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Interest Income, Cash Basis Method	3	3	2
Impaired Financing Receivable, Related Allowance	0	17
Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Interest Income, Cash Basis Method	97	59	106
Impaired Financing Receivable, Related Allowance	672	284
Finance Leases Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Interest Income, Cash Basis Method	0	33	$ 73
Impaired Financing Receivable, Related Allowance	$ 0	$ 9