Borrowed Funds (Summary of Long Term Borrowings) (Details) - USD ($) $ in Thousands |
Jun. 30, 2018 |
Dec. 31, 2017 |
|---|---|---|
| Debt Instrument [Line Items] | ||
| FHLB advances | $ 70,000 | $ 90,000 |
| Junior subordinated debt, bearing variable interest rates | 30,929 | 30,929 |
| Total long-term debt | $ 100,929 | $ 120,929 |
| Junior Subordinated Debt [Member] | Variable Interest Rate [Member] | ||
| Debt Instrument [Line Items] | ||
| Debt instrument, interest rate, effective percentage | 4.93% | |
| Federal Home Loan Bank Advances [Member] | Minimum [Member] | ||
| Debt Instrument [Line Items] | ||
| Debt instrument, interest rate, effective percentage | 1.54% | |
| Federal Home Loan Bank Advances [Member] | Maximum [Member] | ||
| Debt Instrument [Line Items] | ||
| Debt instrument, interest rate, effective percentage | 3.02% |