Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) - Schedule of Reconciliation of Shares Issued and Outstanding (Details) - Common Stock - shares	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Total shares of common stock legally issued and outstanding	35,736,584	544,967	375,492
Less: unvested early exercised shares of common stock	17,820	757	41,834
Total shares issued and outstanding	35,718,764	544,210	333,658

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