Share-Based Payments (Details) - $ / shares |
9 Months Ended | |
|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Nonvested Options, Number of Shares | ||
| Beginning of period | 414,850 | |
| Granted | 5,000 | |
| Vested or forfeited | (26,770) | |
| End of period | 393,080 | |
| Weighted Average Grant Date Fair Value | ||
| Beginning of period | $ 6.86 | |
| Granted | 6.5 | $ 6.73 |
| Vested or forfeited | 6.82 | |
| End of period | $ 6.85 | |