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CONSOLIDATED FINANCIAL STATEMENT DETAILS (Tables) | 9 Months Ended
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Sep. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Cash and Cash Equivalents | The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the consolidated balance sheet to the total amounts shown in the consolidated statement of cash flows:
| September 30, 2021 |  | December 31, 2020 |  | September 30, 2020 |  | December 31, 2019
| (In thousands)
Cash and cash equivalents | $ | 511,311 |  |  | $ | 739,164 |  |  | $ | 398,884 |  |  | $ | 465,676 |
Restricted cash included in other current assets | 131 |  |  | 138 |  |  | 132 |  |  | 127 |
Cash, cash equivalents, and restricted cash included in current assets of discontinued operations | — |  |  | — |  |  | — |  |  | 2,674,146 |
Restricted cash included in non-current assets of discontinued operations | — |  |  | — |  |  | — |  |  | 409 |
Total cash, cash equivalents, and restricted cash as shown on the consolidated statement of cash flows | $ | 511,442 |  |  | $ | 739,302 |  |  | $ | 399,016 |  |  | $ | 3,140,358 |
Schedule of Restricted Cash | The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the consolidated balance sheet to the total amounts shown in the consolidated statement of cash flows:
| September 30, 2021 |  | December 31, 2020 |  | September 30, 2020 |  | December 31, 2019
| (In thousands)
Cash and cash equivalents | $ | 511,311 |  |  | $ | 739,164 |  |  | $ | 398,884 |  |  | $ | 465,676 |
Restricted cash included in other current assets | 131 |  |  | 138 |  |  | 132 |  |  | 127 |
Cash, cash equivalents, and restricted cash included in current assets of discontinued operations | — |  |  | — |  |  | — |  |  | 2,674,146 |
Restricted cash included in non-current assets of discontinued operations | — |  |  | — |  |  | — |  |  | 409 |
Total cash, cash equivalents, and restricted cash as shown on the consolidated statement of cash flows | $ | 511,442 |  |  | $ | 739,302 |  |  | $ | 399,016 |  |  | $ | 3,140,358 |

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