Investments (Additional Information) (Details) $ in Thousands	Sep. 30, 2021 USD ($)
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

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 50
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27337-111563

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

+ References

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-Section S99
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