Stock-Based Compensation - Weighted Average Assumptions (Details) - Unvested performance stock units - USD ($) |
3 Months Ended | |
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Mar. 31, 2024 |
Mar. 31, 2023 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Expected term (in years) | 3 years | 3 years |
| Risk-free interest rate | 4.05% | 4.19% |
| Expected volatility of Magnite | 87.00% | 94.00% |
| Expected volatility of selected peer companies | 55.00% | 64.00% |
| Expected correlation coefficients of Magnite | 59.00% | 62.00% |
| Expected correlation coefficients of selected peer companies | 47.00% | 54.00% |
| Dividend yield | $ 0 | $ 0 |
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- Definition Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Correlation Coefficients No definition available.
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- Definition Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Selected Peer Companies, Correlation Coefficients No definition available.
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- Definition Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Selected Peer Companies, Weighted Average Volatility Rate No definition available.
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Disclosure of the weighted average expected dividend for an entity using a valuation technique with different dividend rates during the contractual term. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Rate of weighted-average expected volatility for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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