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Stock Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2018
Stock Based Compensation |
Summary of the activity of the equity incentive plans |
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
Restricted stock grants: |  |  |  |  |  |  |  |  |  |  |  |
Number of shares |  |  | — |  |  | — |  |  | 144,750 |  |  | 140,100
Average per share grant price |  |  | — |  |  | — |  | $ | 25.31 |  | $ | 24.75
Deferred compensation to be recognized over vesting period |  |  | — |  |  | — |  | $ | 3,664,000 |  | $ | 3,467,000
Number of non-vested shares: |  |  |  |  |  |  |  |  |  |  |  |
Non-vested beginning of period |  |  | 651,500 |  |  | 612,900 |  |  | 612,900 |  |  | 591,750
Grants |  |  | — |  |  | — |  |  | 144,750 |  |  | 140,100
Vested during period |  |  | — |  |  | — |  |  | (106,000) |  |  | (118,450)
Forfeitures |  |  | (250) |  |  | — |  |  | (400) |  |  | (500)
Non-vested end of period |  |  | 651,250 |  |  | 612,900 |  |  | 651,250 |  |  | 612,900
RSU grants: |  |  |  |  |  |  |  |  |  |  |  |
Number of underlying shares |  |  | 76,250 |  |  | 76,250 |  |  | 76,250 |  |  | 76,250
Average per share grant price |  | $ | 26.41 |  | $ | 24.03 |  | $ | 26.41 |  | $ | 24.03
Deferred compensation to be recognized over vesting period |  | $ | 1,136,000 |  | $ | 919,000 |  | $ | 1,136,000 |  | $ | 919,000
Number of non-vested shares: |  |  |  |  |  |  |  |  |  |  |  |
Non-vested beginning of period |  |  | 76,250 |  |  | — |  |  | 76,250 |  |  | 200,000
Grants |  |  | 76,250 |  |  | 76,250 |  |  | 76,250 |  |  | 76,250
Vested during period |  |  | — |  |  | — |  |  | — |  |  | (113,584)
Forfeitures |  |  | — |  |  | — |  |  | — |  |  | (86,416)
Non-vested end of period |  |  | 152,500 |  |  | 76,250 |  |  | 152,500 |  |  | 76,250
Restricted stock and RSU grants: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average per share value of non-vested shares (based on grant price) |  | $ | 23.83 |  | $ | 22.89 |  | $ | 23.83 |  | $ | 22.89
Value of stock vested during the period (based on grant price) |  | $ | — |  | $ | — |  | $ | 2,289,000 |  | $ | 3,008,000
Weighted average per share value of shares forfeited during the period (based on grant price) |  | $ | 23.39 |  | $ | — |  | $ | 23.59 |  | $ | 8.37
The total charge to operations: |  |  |  |  |  |  |  |  |  |  |  |
Outstanding restricted stock grants |  | $ | 763,000 |  | $ | 684,000 |  | $ | 2,263,000 |  | $ | 2,255,000
Outstanding RSUs |  |  | 208,000 |  |  | — |  |  | 390,000 |  |  | 86,000
Total charge to operations |  | $ | 971,000 |  | $ | 684,000 |  | $ | 2,653,000 |  | $ | 2,341,000

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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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