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Stockholders' Equity - Narrative (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2021 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized estimated compensation costs | $ 178.2
Restricted stock units |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Total vest date fair value | 240.4
Performance stock units |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Total vest date fair value | $ 29.5

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