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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2016
Accounting Policies [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | Earnings per common share have been computed based on the following:
|  | Years Ended December 31, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
|  | (in thousands, except per share amounts) |
Net income available to common stockholders |  | $ | 31,060 |  |  | $ | 41,199 |  |  | $ | 18,565 |
Dividends paid on earnings allocated to participating securities |  |  | (147) |  |  |  | (157) |  |  |  | (50) |
Income attributable to common stock |  | $ | 30,913 |  |  | $ | 41,042 |  |  | $ | 18,515 |
Weighted average common shares outstanding, including participating securities |  |  | 30,453 |  |  |  | 29,989 |  |  |  | 23,050 |
Weighted average participating securities |  |  | (54) |  |  |  | (51) |  |  |  | (20) |
Weighted average common shares outstanding |  |  | 30,399 |  |  |  | 29,938 |  |  |  | 23,030 |
Incremental shares from assumed conversions of options, performance units and restricted shares |  |  | 291 |  |  |  | 346 |  |  |  | 449 |
Weighted average common and equivalent shares outstanding |  |  | 30,690 |  |  |  | 30,284 |  |  |  | 23,479 |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 1.02 |  |  | $ | 1.37 |  |  | $ | 0.80 |
Diluted |  |  | 1.01 |  |  |  | 1.36 |  |  |  | 0.79 |

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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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