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Earnings per Share (Tables) | 12 Months Ended
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Dec. 31, 2017
Earnings Per Share [Abstract] |
Schedule of Calculation of Basic and Diluted Earnings per Share |
|  | Years ended December 31, |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Net income (loss) |  | $ | 21,695 |  |  | $ | 66,729 |  |  | $ | (14,974 | )
Less: Dividends on preferred shares |  |  | 11,277 |  |  |  | — |  |  |  | — |
Net income (loss) available to common stockholders |  | $ | 10,418 |  |  | $ | 66,729 |  |  | $ | (14,974 | )
Weighted-average common stock outstanding: |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common stock outstanding (basic) |  |  | 26,963,517 |  |  |  | 20,141,630 |  |  |  | 17,332,775 |
Incremental shares |  |  | 583,797 |  |  |  | 289,153 |  |  |  | — |
Weighted-average common stock outstanding (dilutive) |  |  | 27,547,314 |  |  |  | 20,430,783 |  |  |  | 17,332,775 |
Basic earnings per common share |  | $ | 0.39 |  |  | $ | 3.31 |  |  | $ | (0.86 | )
Diluted earnings per common share |  | $ | 0.38 |  |  | $ | 3.27 |  |  | $ | (0.86 | )

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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://www.xbrl.org/2003/role/presentationRef -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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