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Net Loss per Share (Tables) | 12 Months Ended
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Dec. 31, 2023
Earnings Per Share [Abstract] |
Summary of Basic and Diluted Net Loss Per Share Attributable To Common Stockholders | Basic and diluted net loss per share attributable to common stockholders was calculated as follows:
|  | Years Ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Numerator: |  |  |  |  |  |  |  |  |
Net loss |  | $ | (679,171 | ) |  | $ | (272,072 | ) |  | $ | (176,782 | )
Net loss attributable to non-controlling interest |  |  | (4,007 | ) |  |  | (1,643 | ) |  |  | (448 | )
Net loss attributable to American Well Corporation |  | $ | (675,164 | ) |  | $ | (270,429 | ) |  | $ | (176,334 | )
Denominator: |  |  |  |  |  |  |  |  |
Weighted-average common shares outstanding, basic and diluted |  |  | 284,256,743 |  |  |  | 274,249,749 |  |  |  | 254,068,942 |
Net loss per share attributable to common stockholders, basic and diluted |  | $ | (2.38 | ) |  | $ | (0.99 | ) |  | $ | (0.69 | )
Summary of Antidilutive Securities Excluded From Computation of Net Loss Per Share | The Company excluded the following potential common shares equivalents presented based on amounts outstanding at each period end, from the computation of diluted net loss per share attributable to common stockholders for the periods indicated because including them would have had an anti-dilutive effect:
|  | Years Ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Unvested restricted stock units |  |  | 22,422,895 |  |  |  | 16,178,486 |  |  |  | 7,472,787 |
Unvested performance market-based stock units |  |  | 26,716,306 |  |  |  | 25,602,405 |  |  |  | — |
Options to purchase shares of common stock |  |  | 9,989,049 |  |  |  | 11,039,551 |  |  |  | 15,893,755 |
|  |  | 59,128,250 |  |  |  | 52,820,442 |  |  |  | 23,366,542 |

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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 -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + 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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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