Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2020	Nov. 23, 2021	Jun. 30, 2020
Document Information Line Items
Entity Registrant Name	MERIDA MERGER CORP. I
Document Type	10-K/A
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		14,982,073
Entity Public Float			$ 127,285,194
Amendment Flag	true
Amendment Description	Merida Merger Corp. I (the “Company,” “we”, “our” or “us”) is filing this Amendment No. 2 (Amendment “2”) to the Annual Report on Form 10-K/A (the “Amendment”) to amend the Annual Report on Form 10-K for the year ended December 31, 2020, originally filed with the U.S. Securities and Exchange Commission (the “SEC”) on March 31, 2021 (the “Original 10-K”), amended on July 26, 2021 (“Amendment 1”), as a comprehensive amendment to amend and restate its financial statements and related footnote disclosures as of and for the year ended December 31, 2020 and the financial statements and related footnote disclosures included in the Annual Report on Form 10-K as of and for the period ended December 31, 2019 (the “2019 10-K”), each of the Forms 10-Q as of and for the periods ended March 31, 2020, June 30, 2020 and September 30, 2020 (collectively, the “Original 10-Qs”), and the balance sheet as of November 7, 2019 (the “November 7, 2019 Balance Sheet”).
Entity Central Index Key	0001785592
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Non-accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Dec. 31, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Shell Company	true
Entity Ex Transition Period	false
Document Annual Report	true
Entity Address, State or Province	NY
Entity File Number	001-39119
Entity Incorporation, State or Country Code	DE
Entity Interactive Data Current	Yes