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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2018
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
| Three months ended September 30, 2018
| Net Income (numerator) |  | Shares (denominator) |  | Per Share Amount
Basic EPS | $ | 19,056 |  |  | 81,965 |  |  | $ | 0.23 |
Effect of restricted stock | — |  |  | 27 |  |  |
Diluted EPS | $ | 19,056 |  |  | 81,992 |  |  | $ | 0.23 |
| Three months ended September 30, 2017
| Net Income (numerator) |  | Shares (denominator) |  | Per Share Amount
Basic EPS | $ | 7,916 |  |  | 83,303 |  |  | $ | 0.10 |
Effect of restricted stock | — |  |  | 30 |  |  |
Diluted EPS | $ | 7,916 |  |  | 83,333 |  |  | $ | 0.09 |
| Nine months ended September 30, 2018
| Net Income (numerator) |  | Shares (denominator) |  | Per Share Amount
Basic EPS | $ | 50,237 |  |  | 82,530 |  |  | $ | 0.61 |
Effect of restricted stock | — |  |  | 34 |  |  |
Diluted EPS | $ | 50,237 |  |  | 82,564 |  |  | $ | 0.61 |
| Nine months ended September 30, 2017
| Net Income (numerator) |  | Shares (denominator) |  | Per Share Amount
Basic EPS | $ | 36,568 |  |  | 83,296 |  |  | $ | 0.44 |
Effect of restricted stock | — |  |  | 40 |  |  |
Diluted EPS | $ | 36,568 |  |  | 83,336 |  |  | $ | 0.44 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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