Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders Equity (Parenthetical) $ in Thousands	3 Months Ended
Sep. 30, 2021 USD ($)
Series A Convertible Preferred Stock
Issuance costs	$ 0

The amount of stock issuance costs relating to temporary equity recognized during the period.

No definition available.

Name:	elev_TemporaryEquityStockIssuanceCosts
Namespace Prefix:	elev_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration