Loans (Details 2) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Beginning balance December 31, 2020	$ 11,220	$ 10,638	$ 11,179	$ 10,389	$ 10,389
Charge-offs	(14)	(21)	(47)	(167)	(182)
Recoveries	91	359	360	409	637
Provisions	18	49	(177)	394	335
Ending balance December 31, 2021	11,315	11,025	11,315	11,025	11,179
Individually evaluated for impairment
Collectively evaluated for impairment	11,315	11,024	11,315	11,024	11,179
Ending balance-total	950,210	881,520	950,210	881,520	863,702
Individually evaluated for impairment	4,966	1,832	4,966	1,832	1,694
Collectively evaluated for impairment	945,244	879,688	945,244	879,688	862,008
Commercial, Financial And Agricultural Loan [Member]
Financing Receivable, Past Due [Line Items]
Beginning balance December 31, 2020	817	894	853	778	778
Charge-offs
Recoveries	5	22	16	25	39
Provisions	(19)	(31)	(66)	82	36
Ending balance December 31, 2021	803	885	803	885	853
Individually evaluated for impairment
Collectively evaluated for impairment	803	885	803	885	853
Ending balance-total	70,712	80,796	70,712	80,796	69,952
Individually evaluated for impairment
Collectively evaluated for impairment	70,712	80,796	70,712	80,796	69,952
Construction Loans [Member]
Financing Receivable, Past Due [Line Items]
Beginning balance December 31, 2020	84	125	113	145	145
Charge-offs
Recoveries
Provisions	(16)	(29)	(45)	(49)	(32)
Ending balance December 31, 2021	68	96	68	96	113
Individually evaluated for impairment
Collectively evaluated for impairment	68	96	68	96	113
Ending balance-total	84,355	100,061	84,355	100,061	94,969
Individually evaluated for impairment
Collectively evaluated for impairment	84,355	100,061	84,355	100,061	94,969
Residential Mortgage [Member]
Financing Receivable, Past Due [Line Items]
Beginning balance December 31, 2020	546	542	560	541	541
Charge-offs
Recoveries	4		5		10
Provisions	57	(1)	42		9
Ending balance December 31, 2021	607	541	607	541	560
Individually evaluated for impairment
Collectively evaluated for impairment	607	541	607	541	560
Ending balance-total	53,553	44,987	53,553	44,987	45,498
Individually evaluated for impairment	39	207	39	207	133
Collectively evaluated for impairment	53,514	44,780	53,514	44,780	45,365
Commercial Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Beginning balance December 31, 2020	8,639	8,026	8,570	7,855	7,855
Charge-offs				(110)	(110)
Recoveries	75	304	318	315	473
Provisions	(12)	106	(186)	376	352
Ending balance December 31, 2021	8,702	8,436	8,702	8,436	8,570
Individually evaluated for impairment					1
Collectively evaluated for impairment	8,702	8,435	8,702	8,435	8,569
Ending balance-total	698,416	620,130	698,416	620,130	617,464
Individually evaluated for impairment	4,759	1,605	4,759	1,605	1,561
Collectively evaluated for impairment	693,657	618,525	693,657	618,525	615,903
Home Equity Line of Credit [Member]
Financing Receivable, Past Due [Line Items]
Beginning balance December 31, 2020	315	322	333	324	324
Charge-offs	(1)		(1)
Recoveries	3	28	10	34	69
Provisions	4	(24)	(21)	(32)	(60)
Ending balance December 31, 2021	321	326	321	326	333
Individually evaluated for impairment
Collectively evaluated for impairment	321	326	321	326	333
Ending balance-total	28,800	27,233	28,800	27,233	27,116
Individually evaluated for impairment	168	20	168	20
Collectively evaluated for impairment	28,632	27,213	28,632	27,213	27,116
Consumer Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Beginning balance December 31, 2020	202	111	126	125	125
Charge-offs	(13)	(21)	(46)	(57)	(72)
Recoveries	4	5	11	35	46
Provisions	(8)	23	94	15	27
Ending balance December 31, 2021	185	118	185	118	126
Individually evaluated for impairment
Collectively evaluated for impairment	185	118	185	118	126
Ending balance-total	14,374	8,313	14,374	8,313	8,703
Individually evaluated for impairment
Collectively evaluated for impairment	14,374	8,313	14,374	8,313	8,703
Unallocated Financing Receivables [Member]
Financing Receivable, Past Due [Line Items]
Beginning balance December 31, 2020	617	618	624	621	621
Charge-offs
Recoveries
Provisions	12	5	5	2	3
Ending balance December 31, 2021	629	623	629	623	624
Individually evaluated for impairment
Collectively evaluated for impairment	629	623	629	623	624
Ending balance-total
Individually evaluated for impairment
Collectively evaluated for impairment

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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