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Restricted Cash and Cash Equivalents (Tables) | 9 Months Ended
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Sep. 30, 2021
Cash And Cash Equivalents [Abstract] |
Reconciliation of Cash, Cash Equivalents and Restricted Cash and Cash Equivalents | The following table provides a reconciliation of cash, cash equivalents and restricted cash and cash equivalents reported on the consolidated balance sheets that sum to the total of the same such amounts shown in the consolidated statements of cash flows:
|  | September 30, 2021 |  |  | September 30, 2020 |
Cash and cash equivalents |  | $ | 537,070 |  |  | $ | 53,676 |
Restricted cash and cash equivalents - current |  |  | 30,201 |  |  |  | 27,229 |
Restricted cash and investments - non-current |  |  | 60,732 |  |  |  | 40,970 |
Less Restricted investments - non-current |  |  | (42,556 | ) |  |  | (32,787 | )
Total cash, cash equivalents and restricted cash and cash equivalents shown in the statement of cash flows |  | $ | 585,447 |  |  | $ | 89,088 |

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- Definition Tabular disclosure of the components of cash and cash equivalents. + References No definition available. + Details
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