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Basis of Presentation and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Accounting Policies [Abstract] |
Schedule of Cash, Cash Equivalents And Restricted Cash | Cash, cash equivalents and restricted cash as reported within the statement of cash flows consisted of the following:
|  | Years Ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
|  | (in thousands) |
Cash and cash equivalents |  | $ | 68,985 |  |  | $ | 386,200 |  |  | $ | 58,976 |
Restricted cash |  |  | 871 |  |  |  | — |  |  |  | — |
Cash, cash equivalents and restricted cash |  | $ | 69,856 |  |  | $ | 386,200 |  |  | $ | 58,976 |

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