Loans - Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Loans on nonaccrual status
Loans on nonaccrual status	$ 2,134	$ 2,213
Real estate - residential mortgage
Loans on nonaccrual status
Loans on nonaccrual status	701	594
Commercial, financial and agricultural | Commercial business lending
Loans on nonaccrual status
Loans on nonaccrual status	29	24
Equity lines
Loans on nonaccrual status
Loans on nonaccrual status	760	883
Consumer
Loans on nonaccrual status
Loans on nonaccrual status	124
Consumer Finance
Loans on nonaccrual status
Loans on nonaccrual status	$ 520	$ 712