| | Shares | | Weighted average grand date fair value | | Weighted average remaining contractual term | | Aggregate Intrinsic value | | ||||
Outstanding at January 1, 2015 | | | 163,712 | | | 18.18 | | | | | | | |
Granted | | | 63,244 | | | 21.67 | | | | | | | |
Forfeited | | | - | | | | | | | | | | |
Vested | | | (64,208) | | | 17.67 | | | | | | | |
Outstanding at December 31, 2015 | | | 162,748 | | | 19.74 | | | | | | | |
Granted | | | 91,454 | | | 18.26 | | | | | | | |
Forfeited | | | (21,408) | | | 17.69 | | | | | | | |
Vested | | | (65,358) | | | 18.83 | | | | | | | |
Outstanding at December 31, 2016 | | | 167,436 | | | 19.35 | | | | | | | |
Granted | | | 25,289 | | | 25.70 | | | | | | | |
Forfeited | | | (71,401) | | | 18.61 | | | | | | | |
Vested | | | (70,519) | | | 19.76 | | | | | | | |
Outstanding at December 31, 2017 | | | 50,805 | | | 21.07 | | | 2.02 years | | $ | 518 | |
Expected to vest | | | 50,805 | | | 21.07 | | | 2.02 years | | $ | 296 | |