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Stock-Based Compensation - Components of Stock-Based Compensation Expense (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Share-Based Payment Arrangement [Abstract] |  |  |  |
Equity classified awards expense | $ 3.3 | $ 3.9 | $ 6.7 | $ 8.8
Liability classified awards expense | (0.5) | (0.6) | (0.2) | 0.1
Total stock-based compensation expense | $ 2.8 | $ 3.3 | $ 6.5 | $ 8.9

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