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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2022
Accounting Policies [Abstract] |
Schedule of Cash and Cash Equivalents | The following table provides a reconciliation of cash, cash equivalents and restricted cash reported withing the consolidated balance sheets to the total amounts shown in the consolidated statements of cash flows for the years ended December 31, 2022, 2021 and 2020:
| Year Ended December 31,
(dollars in millions) | 2022 |  | 2021 |  | 2020
Cash and cash equivalents | $ | 81.3 |  |  | $ | 108.3 |  |  | $ | 588.4 |
Restricted cash | 5.5 |  |  | 4.5 |  |  |
Cash, cash equivalents and restricted cash | $ | 86.8 |  |  | $ | 112.8 |  |  | $ | 588.4 |
Schedule of Restrictions on Cash and Cash Equivalents | The following table provides a reconciliation of cash, cash equivalents and restricted cash reported withing the consolidated balance sheets to the total amounts shown in the consolidated statements of cash flows for the years ended December 31, 2022, 2021 and 2020:
| Year Ended December 31,
(dollars in millions) | 2022 |  | 2021 |  | 2020
Cash and cash equivalents | $ | 81.3 |  |  | $ | 108.3 |  |  | $ | 588.4 |
Restricted cash | 5.5 |  |  | 4.5 |  |  |
Cash, cash equivalents and restricted cash | $ | 86.8 |  |  | $ | 112.8 |  |  | $ | 588.4 |

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