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Net Income (Loss) per Share (Tables) | 12 Months Ended
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Dec. 31, 2019
Earnings Per Share [Abstract] |
Summary of the Reconciliation of the Basic and Diluted Weighted Average Number of Shares Outstanding | The following table summarizes the reconciliation of the basic weighted average number of shares outstanding and the diluted weighted average number of shares outstanding:
| Years ended |  |
| December 31, 2020 |  | December 31, 2019 |  |  |  |
Numerator: |  |  |  |  |  |  |
Net income (loss) | $ | 319,509 |  |  | $ | (124,842) |  |  |  |  |
Denominator: |  |  |  |  |  |  |
Basic weighted average number of shares outstanding | 119,569,705 |  | 113,026,424 |  |  |  |
Effect of dilutive securities(1) | 3,893,569 |  | — |  |  |  |
Diluted weighted average number of shares | 123,463,274 |  | 113,026,424 |  |  |  |
Net income (loss) per share: |  |  |  |  |  |  |
Basic | $ | 2.67 |  |  | $ | (1.10) |  |  |  |  |
Diluted | $ | 2.59 |  |  | $ | (1.10) |  |  |  |  |
Common stock equivalents excluded from income (loss) per diluted share because they are anti-dilutive | 638,848 |  | 5,752,833 |  |  |  |  |
(1) Included in the effect of dilutive securities is the assumed conversion of employee stock options and employee RSUs. Convertible senior notes have been excluded as they are anti-dilutive.

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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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