Derivative Financial Instruments (Details 3) - Interest rate swaps - USD ($) $ in Thousands |
Mar. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Offsetting of financial assets and derivative assets | ||
| Gross Amounts of Recognized Assets | $ 14,981 | $ 10,016 |
| Gross Amounts Offset in the Statement of Financial Position | 215 | 157 |
| Net Amounts of Assets Presented in the Statement of Financial Position | 14,766 | 9,859 |
| Net Amount | $ 14,766 | $ 9,859 |