Quarterly report pursuant to Section 13 or 15(d)

Cover Page

v3.21.1
Cover Page - shares
3 Months Ended
Mar. 31, 2021
May 24, 2021
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2021  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q1  
Entity Registrant Name Supernova Partners Acquisition Company, Inc.  
Entity Central Index Key 0001825024  
Current Fiscal Year End Date --12-31  
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 Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Incorporation, State or Country Code DE  
Entity File Number 001-39641  
Entity Tax Identification Number 85-2800538  
Entity Address, Address Line One 4301 50th Street NW  
Entity Address, Address Line Two Suite 300, PMB 1044  
Entity Address, City or Town Washington  
Entity Address, State or Province DC  
Entity Address Postal Zip Code 20016  
City Area Code 202  
Local Phone Number 918-7050  
Document Quarterly Report true  
Document Transition Report false  
Units    
Document Information [Line Items]    
Title of 12(b) Security Units, each consisting of one share of Class A common stock, $0.0001 par value, and one-third of one warrant to purchase one Class A common stock  
Trading Symbol SPNV.U  
Security Exchange Name NYSE  
Warrants    
Document Information [Line Items]    
Title of 12(b) Security Warrants to purchase Class A common stock, at an exercise price of $11.50 per share  
Trading Symbol SPNV WS  
Security Exchange Name NYSE  
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 SPNV  
Security Exchange Name NYSE  
Entity Common Stock, Shares Outstanding   40,250,000
Class B Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   10,062,500