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Income Taxes - Summary of Net Operating Loss Carryforwards (Details) $ in Millions | Dec. 31, 2019 USD ($)
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United States Federal and Non-United States |
Income Tax Contingency [Line Items] |
2020 | $ 2.1
2021 | 5.3
2022 | 3.8
2023 | 3.9
2024 | 5.7
Thereafter | 25.2
No expirations | 353.4
Total net operating loss carryforwards | 399.4
United States State |
Income Tax Contingency [Line Items] |
2020 | 0.2
2021 | 3.0
2022 | 11.1
2023 | 9.8
2024 | 57.3
Thereafter | 87.8
No expirations | 0.0
Total net operating loss carryforwards | $ 169.2

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