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SUPPLEMENTAL CONDENSED CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS INFORMATION - Schedule of Prepaid and Other Current Assets (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
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Supplemental Consolidated Balance Sheet & Statement of Operations Information [Abstract] |  |
Prepaid expenses | $ 20,588 | $ 18,038
Income taxes receivable | 5,282 | 5,437
Other | 15,391 | 16,966
Total prepaid expenses and other current assets | $ 41,261 | $ 40,441

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