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Basis of Presentation and Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2021
Accounting Policies [Abstract] |
Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash | The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the statement of cash flows that sum to the total of the same such amounts shown in the statement of cash flows (in thousands):
|  | Nine Months Ended September 30, 2021 |  |  | Nine Months Ended September 30, 2020 |
|  | Beginning of period |  |  | End of period |  |  | Beginning of period |  |  | End of period |
Cash and cash equivalents |  | $ | 326,028 |  |  | $ | 94,640 |  |  | $ | 189,680 |  |  | $ | 452,352 |
Restricted cash |  |  | 5,770 |  |  |  | 5,770 |  |  |  | 4,787 |  |  |  | 5,770 |
Total cash, cash equivalents and restricted cash shown in the statement of cash flows |  | $ | 331,798 |  |  | $ | 100,410 |  |  | $ | 194,467 |  |  | $ | 458,122 |

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