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Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
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Series 1 Convertible Notes |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Convertible senior notes, fair value | $ 22.4 | $ 52.1
Series 2 Convertible Notes |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Convertible senior notes, fair value | 83.7 | 190.8
Senior Notes |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Convertible senior notes, fair value | 98.9 | 111.0
Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Convertible senior notes, fair value | $ 85.1 | $ 93.6

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