Cover - shares	3 Months Ended
	Mar. 31, 2022	May 04, 2022
Entity Listings [Line Items]
Document Type	10-Q/A
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
Document Transition Report	false
Entity File Number	001-39119
Entity Registrant Name	Leafly Holdings, Inc. /DE
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	84-2266022
Entity Address, Address Line One	113 Cherry Street PMB 88154
Entity Address, City or Town	Seattle
Entity Address, State or Province	WA
Entity Address, Postal Zip Code	98104
City Area Code	206
Local Phone Number	455-9504
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		40,035,568
Entity Central Index Key	0001785592
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Amendment Flag	true
Common Stock, $0.0001 Par Value
Entity Listings [Line Items]
Title of 12(b) Security	Common Stock, $0.0001 Par Value
Trading Symbol	LFLY
Security Exchange Name	NASDAQ
Warrants, exercisable for shares of common stock at an exercise price of $11.50 per share
Entity Listings [Line Items]
Title of 12(b) Security	Warrants, exercisable for shares of common stockat an exercise price of $11.50 per share
Trading Symbol	LFLYW
Security Exchange Name	NASDAQ