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Loans - Impaired Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Impaired loans
Impaired loans, troubled debt restructurings	$ 2,690	$ 3,580
Impaired loans, Unpaid Principal Balance	5,430	6,420
Impaired loans, Recorded Investment in Loans without Specific Reserve	660	1,042
Impaired loans, Recorded Investment in Loans with Specific Reserve	4,548	5,236
Impaired loans, Related Allowance	655	879
Impaired loans, Average Balance	5,329	6,603
Impaired loans, Interest Income Recognized	140	183
Real Estate Residential Mortgage
Impaired loans
Impaired loans, Unpaid Principal Balance	1,689	2,326
Impaired loans, Recorded Investment in Loans without Specific Reserve	550	931
Impaired loans, Recorded Investment in Loans with Specific Reserve	1,035	1,279
Impaired loans, Related Allowance	63	77
Impaired loans, Average Balance	1,560	2,353
Impaired loans, Interest Income Recognized	64	105
Commercial, Financial & Agricultural | Commercial real estate lending
Impaired loans
Impaired loans, Unpaid Principal Balance	1,389	1,397
Impaired loans, Recorded Investment in Loans with Specific Reserve	1,390	1,397
Impaired loans, Related Allowance	103	89
Impaired loans, Average Balance	1,393	1,404
Impaired loans, Interest Income Recognized	72	73
Commercial, Financial & Agricultural | Commercial business lending
Impaired loans
Impaired loans, Unpaid Principal Balance	2,234	2,430
Impaired loans, Recorded Investment in Loans with Specific Reserve	2,123	2,428
Impaired loans, Related Allowance	489	585
Impaired loans, Average Balance	2,257	2,573
Equity lines
Impaired loans
Impaired loans, Unpaid Principal Balance	118	120
Impaired loans, Recorded Investment in Loans without Specific Reserve	110	111
Impaired loans, Average Balance	119	119
Impaired loans, Interest Income Recognized	$ 4	2
Consumer
Impaired loans
Impaired loans, Unpaid Principal Balance		147
Impaired loans, Recorded Investment in Loans with Specific Reserve		132
Impaired loans, Related Allowance		128
Impaired loans, Average Balance		154
Impaired loans, Interest Income Recognized		$ 3

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Financing Receivables Impaired Troubled Debt Restructuring Amount

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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