Loans (Estimated Aggregate Amortization Expense) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Receivables [Abstract]
Amortization Expense, Next Twelve Months	$ 768
Amortization Expense, Year Two	606
Amortization Expense, Year Three	479
Amortization Expense, Year Four	378
Amortization Expense, Year Five	299
Amortization Expense, Thereafter	1,121
Total estimated amortization expense	$ 3,651	$ 3,613	$ 3,493	$ 3,348