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NET INCOME (LOSS) PER SHARE (Tables) | 9 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Basic and Diluted Net Income (Loss) Per Share | The following table presents the calculation of basic and diluted net income (loss) per share (in thousands, except per share data):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
2021 |  | 2020 |  | 2021 |  | 2020
Numerator: |  |  |  |  |  |  |
Net income (loss) | $ | (2,876) |  |  | $ | 36,515 |  |  | $ | 239,810 |  |  | $ | (80,854) |
Net income (loss) attributable to noncontrolling interests | (2,960) |  |  | — |  |  | (3,303) |  |  | — |
Net income (loss) attributable to common stockholders | $ | 84 |  |  | $ | 36,515 |  |  | $ | 243,113 |  |  | $ | (80,854) |
Denominator: |  |  |  |  |  |  |
Basic shares: |  |  |  |  |  |  |
Weighted-average common shares outstanding | 460,948 |  |  | 445,074 |  | 457,414 |  |  | 440,540
Weighted-average unvested shares | (294) |  |  | (616) |  |  | (375) |  |  | (685) |
Weighted-average shares used to compute basic net income per share: | 460,654 |  |  | 444,458 |  |  | 457,039 |  |  | 439,855 |
Diluted shares: |  |  |  |  |  |  |
Stock options, restricted stock, and employee stock purchase plan | 17,180 |  |  | 26,166 |  |  | 18,991 |  |  | — |
Convertible senior notes | — |  |  | — |  |  | 18,727 |  |  | — |
Common stock warrants | 26,286 |  |  | 17,445 |  |  | 25,447 |  |  | — |
Weighted-average shares used to compute diluted net income per share: | 504,120 |  |  | 488,069 |  |  | 520,204 |  |  | 439,855 |
Net income (loss) per share attributable to common stockholders: |  |  |  |  |  |  |
Basic | $ | 0.00 |  |  | $ | 0.08 |  |  | $ | 0.53 |  |  | $ | (0.18) |
Diluted | $ | 0.00 |  |  | $ | 0.07 |  |  | $ | 0.48 |  |  | $ | (0.18) |
Antidilutive Securities Excluded from Calculation of Diluted Net Income (Loss) Per Share | The following potential common shares were excluded from the calculation of diluted net income (loss) per share because their effect would have been anti-dilutive for the periods presented (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Stock options, restricted stock, and employee stock purchase plan | 7,652 |  |  | 10,309 |  |  | 7,161 |  |  | 37,445 |
Common stock warrants | 16,075 |  |  | 21,071 |  |  | 16,914 |  |  | 36,556 |
Convertible senior notes | 20,884 |  |  | 26,738 |  |  | 3,845 |  |  | 25,532 |
Total anti-dilutive securities | 44,611 |  |  | 58,118 |  |  | 27,920 |  |  | 99,533 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + 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 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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