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Stock Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2019
Share-based Payment Arrangement [Abstract] |
Schedule of Nonvested Restricted Stock Activity | A summary of the activity of the Company's non-vested restricted stock collectively under the 2010 Plan and 2017 Plan for the six months ended June 30, 2019 and 2018, respectively, is presented below:
| 2019 |  | 2018
| Number of Non-vested Restricted Shares |  | Weighted Average Per Share Grant Date Fair Value (1) |  | Number of Non-vested Restricted Shares |  | Weighted Average Per Share Grant Date Fair Value (1)
Non-vested shares at January 1 | 507,536 |  |  | $ | 5.91 |  |  | 422,928 |  |  | $ | 6.36 |
Granted | 536,242 |  |  | 6.30 |  |  | 206,597 |  |  | 5.57 |
Vested | (205,080 | ) |  | 5.85 |  |  | (200,064 | ) |  | 6.55 |
Forfeited | — |  |  | — |  |  | (5,120 | ) |  | 6.25 |
Non-vested shares as of June 30 | 838,698 |  |  | $ | 6.18 |  |  | 424,341 |  |  | $ | 5.90 |
Restricted stock granted during the period | 536,242 |  |  | $ | 6.30 |  |  | 206,597 |  |  | $ | 5.57 |
(1) The grant date fair value of restricted stock awards is based on the closing market price of the Company’s common stock at the grant date.
Schedule of PSU Award Activity | A summary of the activity of the target PSU Awards under the 2017 Plan for the six months ended June 30, 2019 and 2018, respectively, is presented below:
| 2019 |  | 2018
| Number of Non-vested Target Shares |  | Weighted Average Per Share Grant Date Fair Value |  | Number of Non-vested Target Shares |  | Weighted Average Per Share Grant Date Fair Value
Non-vested target PSUs at January 1 | 842,792 |  |  | $ | 4.20 |  |  | — |  |  | $ | — |
Granted | 1,175,726 |  |  | 4.01 |  |  | 653,365 |  |  | 4.08 |
Vested | — |  |  | — |  |  | — |  |  | — |
Non-vested target PSUs as of June 30 | 2,018,518 |  |  | $ | 4.09 |  |  | 653,365 |  |  | $ | 4.08 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested performance-based units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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