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NET INCOME PER SHARE | 6 Months Ended
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Jun. 30, 2018
Earnings Per Share [Abstract] |
Earnings Per Share |
| 10. | NET INCOME PER SHARE
Per share results have been calculated based on the average number of common shares outstanding. The calculation of basic and diluted net income per share is determined using net income applicable to common stockholders as the numerator and the number of shares included in the denominator as follows (in thousands, except per share amounts):
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Basic net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income applicable to common stockholders |  | $ | 31,902 |  |  | $ | 22,945 |  |  | $ | 53,174 |  |  | $ | 43,118 |
Weighted average common shares outstanding |  |  | 57,879 |  |  |  | 59,902 |  |  |  | 57,836 |  |  |  | 60,022 |
Basic net income per share |  | $ | 0.55 |  |  | $ | 0.38 |  |  | $ | 0.92 |  |  | $ | 0.72 |
Diluted net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income applicable to common stockholders |  | $ | 31,902 |  |  | $ | 22,945 |  |  | $ | 53,174 |  |  | $ | 43,118 |
Weighted average common shares outstanding |  |  | 57,879 |  |  |  | 59,902 |  |  |  | 57,836 |  |  |  | 60,022 |
Dilutive shares from assumed conversion of convertible senior notes |  |  | 435 |  |  |  | 1,831 |  |  |  | 1,073 |  |  |  | 1,762 |
Dilutive stock options and restricted stock |  |  | 960 |  |  |  | 1,474 |  |  |  | 1,114 |  |  |  | 1,519 |
Diluted weighted average common shares outstanding |  |  | 59,274 |  |  |  | 63,207 |  |  |  | 60,023 |  |  |  | 63,303 |
Diluted net income per share |  | $ | 0.54 |  |  | $ | 0.36 |  |  | $ | 0.89 |  |  | $ | 0.68 |
The calculation of diluted net income per share for the three and six month periods ended June 30, 2018 and 2017 includes the impact of the Company’s Convertible Notes as the average stock price of the Company’s common stock during the period was above the initial conversion price of approximately $11.70 per share.

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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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