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Loans - Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Loans on nonaccrual status
Loans on nonaccrual status	$ 2,924	$ 3,404
Real Estate Residential Mortgage
Loans on nonaccrual status
Loans on nonaccrual status	315	276
Commercial, Financial & Agricultural | Commercial business lending
Loans on nonaccrual status
Loans on nonaccrual status	2,122	2,428
Equity lines
Loans on nonaccrual status
Loans on nonaccrual status	104	191
Consumer
Loans on nonaccrual status
Loans on nonaccrual status	3	107
Consumer Finance | Automobiles
Loans on nonaccrual status
Loans on nonaccrual status	$ 380	$ 402

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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