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Other Balance Sheet Accounts Details - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Property, Plant and Equipment [Abstract] |  |
Prepaid expenses | $ 3,818 | $ 6,163
Deferred contract acquisition costs | 5,345 | 6,231
Other | 3,227 | 2,673
Prepaid expenses and other current assets | $ 12,390 | $ 15,067

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