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Earnings Per Share Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2019
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table sets forth the computation of the basic and diluted earnings per share for the years ended December 31, 2017, 2018 and 2019 (in thousands, except per share data):
| Years Ended December 31,
| 2017 |  | 2018 |  | 2019
Numerator for basic and diluted earnings per share: |  |  |  |  |
Net income | $ | 37,193 |  |  | $ | 11,645 |  |  | $ | 14,533 |
Less: Earnings allocated to unvested restricted stock | (135 | ) |  | (57 | ) |  | (62 | )
Income attributable to common stockholders | $ | 37,058 |  |  | $ | 11,588 |  |  | $ | 14,471 |
Denominator: |  |  |  |  |
Denominator for basic earnings per common share - weighted average shares outstanding | 16,438 |  |  | 17,971 |  |  | 17,877 |
Effect of dilutive securities: |  |  |  |  |
Stock options | 336 |  |  | 66 |  |  | 118 |
Convertible subordinated notes | 941 |  |  | 337 |  |  | 10 |
Denominator for diluted earnings per common share - weighted average shares outstanding | 17,715 |  |  | 18,374 |  |  | 18,005 |
Basic earnings per common share | $ | 2.25 |  |  | $ | 0.64 |  |  | $ | 0.81 |
Diluted earnings per common share | $ | 2.09 |  |  | $ | 0.63 |  |  | $ | 0.80 |

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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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