Document and Entity Information - shares	6 Months Ended
Document and Entity Information - shares	Jun. 30, 2022	Aug. 12, 2022
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2022
Entity File Number	001-39935
Entity Registrant Name	GROUP NINE ACQUISITION CORP.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	85-3841363
Entity Address, Address Line One	568 Broadway, Floor 10
Entity Address, City or Town	New York
Entity Address State Or Province	NY
Entity Address, Postal Zip Code	10012
City Area Code	212
Local Phone Number	227-1905
Entity Current Reporting Status	No
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	true
Entity Central Index Key	0001832250
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Amendment Flag	false
Transition Report	false
Units, each consisting of one share of Class A common stock and one-third of one redeemable warrant
Document Information [Line Items]
Title of 12(b) Security	Units, each consisting of one share of Class A common stock and one-third of one redeemable warrant
Trading Symbol	GNACU
Security Exchange Name	NASDAQ
Class A Common Stock
Document Information [Line Items]
Title of 12(b) Security	Class A common stock, par value $0.0001 per share
Trading Symbol	GNAC
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		23,000,000
Warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50
Document Information [Line Items]
Title of 12(b) Security	Warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50
Trading Symbol	GNACW
Security Exchange Name	NASDAQ
Class B Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		5,750,000

- Details

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Data Type:	na
Balance Type:
Period Type:

Group Nine Acquisition Corp. 10-Q