Borrowings (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Schedule of Federal Home Loan Bank Advances [Line Items]
Other unused lines of credit	$ 5,000
Gross lines of credit at year-end	28,000	$ 28,000
Federal Home Loan Bank Advances	0	$ 0
FHLB irrevocable letter of credit	25,000
Federal Home Loan Bank of Atlanta [Member]
Schedule of Federal Home Loan Bank Advances [Line Items]
Unused line of credit total	$ 169,600
Available credit to total Bank assets, maximum percentage	20.00%