Loans (Details 3) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Beginning balance December 31, 2021	$ 11,554	$ 11,220	$ 11,336	$ 11,179
Charge-offs	(34)	(14)	(70)	(47)
Recoveries	38	91	75	360
Provisions	260	18	491	(177)
Ending balance September 30, 2022	11,818	11,315	11,818	11,315
Adjustment to allowance for adoption of ASU 2016-13					$ (14)
Commercial Financial And Agricultural Loans [Member]
Financing Receivable, Past Due [Line Items]
Beginning balance December 31, 2021	1,012	817	849	853
Charge-offs	(20)		(20)
Recoveries	1	5	4	16
Provisions	(6)	(19)	(39)	(66)
Ending balance September 30, 2022	987	803	987	803
Adjustment to allowance for adoption of ASU 2016-13					193
Construction Loans [Member]
Financing Receivable, Past Due [Line Items]
Beginning balance December 31, 2021	1,127	84	75	113
Charge-offs
Recoveries	1		2
Provisions	222	(16)	198	(45)
Ending balance September 30, 2022	1,350	68	1,350	68
Adjustment to allowance for adoption of ASU 2016-13					1,075
Residential Mortgage [Member]
Financing Receivable, Past Due [Line Items]
Beginning balance December 31, 2021	861	546	723	560
Charge-offs
Recoveries	1	4	4	5
Provisions	122	57	225	42
Ending balance September 30, 2022	984	607	984	607
Adjustment to allowance for adoption of ASU 2016-13					32
Commercial Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Beginning balance December 31, 2021	7,886	8,639	8,569	8,570
Charge-offs
Recoveries	15	75	33	318
Provisions	(82)	(12)	100	(186)
Ending balance September 30, 2022	7,819	8,702	7,819	8,702
Adjustment to allowance for adoption of ASU 2016-13					(883)
Home Equity Line of Credit [Member]
Financing Receivable, Past Due [Line Items]
Beginning balance December 31, 2021	438	315	314	333
Charge-offs		(1)		(1)
Recoveries	13	3	19	10
Provisions	(12)	4	(60)	(21)
Ending balance September 30, 2022	439	321	439	321
Adjustment to allowance for adoption of ASU 2016-13					166
Consumer Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Beginning balance December 31, 2021	230	202	170	126
Charge-offs	(14)	(13)	(50)	(46)
Recoveries	7	4	13	11
Provisions	16	(8)	67	94
Ending balance September 30, 2022	239	185	239	185
Adjustment to allowance for adoption of ASU 2016-13					39
Unallocated Financing Receivables [Member]
Financing Receivable, Past Due [Line Items]
Beginning balance December 31, 2021		617	636	624
Charge-offs
Recoveries
Provisions		12		5
Ending balance September 30, 2022		$ 629		$ 629
Adjustment to allowance for adoption of ASU 2016-13					$ (636)

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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