Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Statement Of Cash Flows [Abstract]
Proceeds from initial public offering, net of underwriting discount	$ 17,895	$ 17,895

Proceeds from initial public offering, net of underwriting discount.

No definition available.

Name:	glue_ProceedFromInitialPublicOfferingNetOfUnderwritingDiscount
Namespace Prefix:	glue_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration