Loans (Narrative - Troubled Debt Restructurings) (Details) - USD ($) $ in Thousands |
Sep. 30, 2018 |
Dec. 31, 2017 |
---|---|---|
Receivables [Abstract] | ||
Recorded investment in Troubled Debt Restructuring, Recorded Investment | $ 5,700 | $ 11,200 |
Specific Reserves on Troubled Debt Restructurings | $ 104 | $ 1,100 |