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Earnings Per Share | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Earnings Per Share | EARNINGS PER SHARE Share-based awards that contain non-forfeitable rights to dividends or dividend equivalents, whether paid or unpaid, are participating securities and included in the computation of both basic and diluted earnings per share. Our grants of restricted stock awards to our employees and directors are considered participating securities and we have prepared our earnings per share calculations to exclude outstanding unvested restricted stock awards, using the two-class method, in the basic and diluted weighted average shares outstanding calculation. The following table sets forth the computation of the basic and diluted earnings per share for the years ended December 31, 2016, 2017 and 2018 (in thousands, except per share data):
| Year Ended December 31,
| 2016 |  | 2017 |  | 2018
Numerator for basic and diluted earnings per share: |  |  |  |  |
Net income | $ | 19,581 |  |  | $ | 37,193 |  |  | $ | 11,645 |
Less: Earnings allocated to unvested restricted stock | (89 | ) |  | (135 | ) |  | (57 | )
Income attributable to common stockholders | $ | 19,492 |  |  | $ | 37,058 |  |  | $ | 11,588 |
Denominator: |  |  |  |  |
Denominator for basic earnings per common share - weighted average shares outstanding | 16,515 |  |  | 16,438 |  |  | 17,971 |
Effect of dilutive securities: |  |  |  |  |
Stock options | 454 |  |  | 336 |  |  | 66 |
Convertible subordinated notes | 491 |  |  | 941 |  |  | 337 |
Denominator for diluted earnings per common share - weighted average shares outstanding | 17,460 |  |  | 17,715 |  |  | 18,374 |
Basic earnings per common share | $ | 1.18 |  |  | $ | 2.25 |  |  | $ | 0.64 |
Diluted earnings per common share | $ | 1.12 |  |  | $ | 2.09 |  |  | $ | 0.63 |
The fully diluted weighted average shares outstanding for the years ended December 31, 2016, 2017 and 2018, and the corresponding calculation of fully diluted earnings per share, included 0.5 million, 0.9 million and 0.3 million shares that would have been issued upon the conversion of our convertible subordinated notes as a result of the application of the if-converted method prescribed by the FASB ASC 260. For the years ended December 31, 2017 and 2018, approximately 354,000 and 1,661,000 stock options were excluded from the computation of diluted earnings per share because the inclusion of such stock options would result in an antidilutive effect. There were no options excluded in the computation of diluted earnings per share for the years ended December 31, 2016.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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