Loans - Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Loans on nonaccrual status
Loans on nonaccrual status	$ 2,135	$ 2,495
Real estate - residential mortgage
Loans on nonaccrual status
Loans on nonaccrual status	980	1,526
Commercial, financial and agricultural | Commercial business lending
Loans on nonaccrual status
Loans on nonaccrual status		11
Equity lines
Loans on nonaccrual status
Loans on nonaccrual status	244	229
Consumer
Loans on nonaccrual status
Loans on nonaccrual status	542	118
Consumer finance
Loans on nonaccrual status
Loans on nonaccrual status	$ 369	$ 611