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PER SHARE OF COMMON STOCK | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
PER SHARE OF COMMON STOCK | PER SHARE OF COMMON STOCK 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):
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
Basic net income per share: |  |  |  |  |
Net income applicable to common stockholders | $ | 69,421 |  |  | $ | 111,422 |  |  | $ | 119,433 |
Weighted average common shares outstanding | 56,996 |  |  | 59,358 |  |  | 63,729 |
Basic net income per share | $ | 1.22 |  |  | $ | 1.88 |  |  | $ | 1.87 |
Diluted net income per share: |  |  |  |  |
Net income applicable to common stockholders | $ | 69,421 |  |  | $ | 111,422 |  |  | $ | 119,433 |
Weighted average common shares outstanding | 56,996 |  |  | 59,358 |  |  | 63,729 |
Dilutive shares from assumed conversion of convertible senior notes | 455 |  |  | 1,726 |  |  | 794 |
Dilutive stock options and restricted stock | 979 |  |  | 1,515 |  |  | 1,239 |
Diluted weighted average common shares outstanding | 58,430 |  |  | 62,599 |  |  | 65,762 |
Diluted net income per share | $ | 1.19 |  |  | $ | 1.78 |  |  | $ | 1.82 |
For the period ending December 31, 2018 and 2017, there were no options excluded from average diluted shares outstanding as the average market price of the common shares was greater than the exercise price. The period ended December 31, 2016 excludes options to purchase common shares totaling 503, because the exercise prices were greater than the average market price of the common shares. In addition, the calculation of diluted net income per share for each period includes the impact of the Company’s Convertible Senior Notes as the average stock price of the Company’s common stock during these periods 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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