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Investments (Additional Information) (Details) $ in Thousands | Sep. 30, 2021 USD ($)
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Summary of Investment Holdings [Line Items] |
Continuous unrealized loss position, 12 months or longer | $ 0
Corporate Bonds [Member] |
Summary of Investment Holdings [Line Items] |
Continuous unrealized loss position, less than 12 months | 45,900
Prepaid Expenses and Other Current Assets [Member] |
Summary of Investment Holdings [Line Items] |
Accrued interest receivable | $ 300

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