Borrowed (Contractual Maturities of All Long Term Borrowings) (Details) - USD ($) $ in Thousands |
Sep. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Debt Instrument [Line Items] | ||
| Due in 2016 | $ 0 | $ 0 |
| Due in 2017 | 0 | 0 |
| Due in 2018 | 20,000 | 20,000 |
| Due in 2019 | 20,000 | 0 |
| Due in 2020 | 30,000 | 30,000 |
| Thereafter | 76,747 | 97,537 |
| Total long-term debt | 146,747 | $ 147,537 |
| Fixed Rate [Member] | ||
| Debt Instrument [Line Items] | ||
| Due in 2016 | 0 | |
| Due in 2017 | 0 | |
| Due in 2018 | 20,000 | |
| Due in 2019 | 20,000 | |
| Due in 2020 | 30,000 | |
| Thereafter | 45,818 | |
| Total long-term debt | 115,818 | |
| Floating Rate [Member] | ||
| Debt Instrument [Line Items] | ||
| Due in 2016 | 0 | |
| Due in 2017 | 0 | |
| Due in 2018 | 0 | |
| Due in 2019 | 0 | |
| Due in 2020 | 0 | |
| Thereafter | 30,929 | |
| Total long-term debt | $ 30,929 |