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Net Loss per Share (Tables) | 3 Months Ended
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Mar. 31, 2019
Earnings Per Share [Abstract] |
Numerators and Denominators of Basic and Diluted Net Loss per Share Computations for Common Stock | The numerators and denominators of the basic and diluted net loss per share computations for our common stock are calculated as follows for the three months ended March 31, 2019 and 2018:
|  | Three Months Ended March 31, |
|  | 2019 |  |  | 2018 |
|  | (in thousands, except per share data) |
|  | Class A Common |  |  | Class B Common |  |  | Class C Common |  |  | Class A Common |  |  | Class B Common |  |  | Class C Common |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (239,860 | ) |  | $ | (13,601 | ) |  | $ | (56,946 | ) |  | $ | (276,790 | ) |  | $ | (32,989 | ) |  | $ | (76,006 | )
Net loss attributable to common stockholders |  | $ | (239,860 | ) |  | $ | (13,601 | ) |  | $ | (56,946 | ) |  | $ | (276,790 | ) |  | $ | (32,989 | ) |  | $ | (76,006 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic shares: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common shares - Basic |  |  | 1,035,932 |  |  |  | 58,741 |  |  |  | 245,942 |  |  |  | 911,906 |  |  |  | 108,683 |  |  |  | 250,409 |
Diluted shares: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common shares - Diluted |  |  | 1,035,932 |  |  |  | 58,741 |  |  |  | 245,942 |  |  |  | 911,906 |  |  |  | 108,683 |  |  |  | 250,409 |
Net loss per share attributable to common stockholders: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | (0.23 | ) |  | $ | (0.23 | ) |  | $ | (0.23 | ) |  | $ | (0.30 | ) |  | $ | (0.30 | ) |  | $ | (0.30 | )
Diluted |  | $ | (0.23 | ) |  | $ | (0.23 | ) |  | $ | (0.23 | ) |  | $ | (0.30 | ) |  | $ | (0.30 | ) |  | $ | (0.30 | )
Schedule of Potentially Dilutive Shares Excluded from Calculation of Diluted Net Loss per Share | The following potentially dilutive shares were excluded from the calculation of diluted net loss per share because their effect would have been anti-dilutive for the periods presented:
|  | Three Months Ended March 31, |
|  | 2019 |  |  | 2018 |
|  | (in thousands) |
Stock options |  |  | 13,382 |  |  |  | 16,486 |
Unvested RSUs and RSAs not subject to a performance condition |  |  | 181,321 |  |  |  | 152,987 |

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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=6371337&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://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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