Mortgage Banking and Servicing Rights (Details Textual) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Mortgage Banking and Servicing Rights (Textual) | ||
| Unpaid principal balance of mortgage loans | $ 899.7 | $ 772.5 |
| Contractually specified servicing fees | $ 2.1 | $ 1.8 |