Commitments and Financial Instruments with Off-Balance-Sheet Risk (Details 2) - USD ($) $ in Thousands |
Mar. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Commitments and Contingencies Disclosure [Abstract] | ||
| Low income housing tax credit operating partnership investments | $ 9,450 | $ 9,620 |
| Low income housing tax credit liability for all legally binding unfunded commitments | $ 3,640 | $ 3,640 |