Short-Term Investment - Additional Information (Details)	9 Months Ended	12 Months Ended
Sep. 30, 2021	Dec. 31, 2020
Maximum [Member] \| Government Securities [Member]
Short Term Debt [Line Items]
Investment maturity period	1 year	1 year

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_ShortTermDebtLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration