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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Changes in IPR&D | The following table represents the changes in IPR&D for the years ended December 31, 2020 and 2019, respectively:
|  | (in millions)
Balance at December 31, 2018 |  | $ | 23.0 |
Change in IPR&D |  | — |
Balance at December 31, 2019 |  | $ | 23.0 |
Change in IPR&D |  | — |
Balance at December 31, 2020 |  | $ | 23.0 |
Schedule of Changes in Goodwill | The following table represents the changes in Goodwill for the years ended December 31, 2020 and 2019, respectively:
|  | (in millions)
Balance at December 31, 2018 |  | $ | 197.8 |
Change in goodwill |  | — |
Balance at December 31, 2019 |  | $ | 197.8 |
Change in goodwill |  | — |
Balance at December 31, 2020 |  | $ | 197.8 |

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