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(Tables) | 9 Months Ended
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Sep. 30, 2018
Equity [Abstract] |
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity | The following table presents a rollforward of the restricted stock activity for the periods indicated:
| Three Months Ended
| September 30,
| 2018 |  | 2017
| Shares |  | Weighted Average Grant Date Fair Value Per Share |  | Shares |  | Weighted Average Grant Date Fair Value Per Share
Restricted stock outstanding as of beginning of period | 341,713 |  |  | $ | 6.37 |  |  | 353,103 |  |  | $ | 7.01 |
Restricted stock granted | — |  |  | — |  |  | — |  |  | — |
Restricted stock vested | — |  |  | — |  |  | — |  |  | — |
Restricted stock outstanding as of end of period | 341,713 |  |  | $ | 6.37 |  |  | 353,103 |  |  | $ | 7.01 |
| Nine Months Ended
| September 30,
| 2018 |  | 2017
| Shares |  | Weighted Average Grant Date Fair Value Per Share |  | Shares |  | Weighted Average Grant Date Fair Value Per Share
Restricted stock outstanding as of beginning of period | 353,103 |  |  | $ | 7.01 |  |  | 553,396 |  |  | $ | 7.55 |
Restricted stock granted | 213,157 |  |  | 6.28 |  |  | 138,166 |  |  | 6.76 |
Restricted stock vested | (224,547 | ) |  | 7.28 |  |  | (338,459 | ) |  | 7.80 |
Restricted stock outstanding as of end of period | 341,713 |  |  | $ | 6.37 |  |  | 353,103 |  |  | $ | 7.01 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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