Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2021	Jul. 22, 2021
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2021
Entity File Number	001-40167
Entity Registrant Name	TRIBE CAPITAL GROWTH CORP I
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	85-3901431
Entity Address, Address Line One	2700 19th Street
Entity Address, City or Town	San Francisco
Entity Address State Or Province	CA
Entity Address, Postal Zip Code	94110
City Area Code	619
Local Phone Number	567-9955
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	true
Entity Central Index Key	0001831874
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Amendment Flag	false
Transition Report	false
Units, each consisting of one share of Class A Common Stock and one-half of one Warrant
Document Information [Line Items]
Title of 12(b) Security	Units, each consisting of one share of Class A Common Stock and one-fourth of one Redeemable Warrant
Trading Symbol	ATVCU
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	ATVC
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		27,600,000
Redeemable Warrants Exercisable For Class Common Stock
Document Information [Line Items]
Title of 12(b) Security	Redeemable Warrants, each whole warrant exercisable for one share of Class A Common Stock at an exercise price of $11.50
Trading Symbol	ATVCW
Security Exchange Name	NASDAQ
Class B Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		6,900,000