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v3.22.2.2

Convertible Senior Notes - Interest Expense (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Debt Disclosure [Abstract] |  |  |  |
Coupon interest | $ 1.0 | $ 2.2 | $ 5.0 | $ 6.3
Amortization of debt discount and issuance costs | 0.2 | 4.4 | 1.0 | 12.9
Total interest expense | $ 1.2 | $ 6.6 | $ 6.0 | $ 19.2

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