Document and Entity Information - USD ($)
6 Months Ended
Dec. 31, 2020
Mar. 26, 2021
Jun. 30, 2020
Document Type10-K  
Document Annual Reporttrue  
Document Transition Reportfalse  
Document Period End DateDec. 31, 2020  
Entity Registrant Nameone  
Entity Well-known Seasoned IssuerNo  
Entity Voluntary FilersNo  
Entity Current Reporting StatusYes  
Entity Interactive Data CurrentYes  
Entity Filer CategoryNon-accelerated Filer  
Entity Small Businesstrue  
Entity Emerging Growth Companytrue  
Entity Ex Transition Periodfalse  
Entity Shell Companytrue  
Entity Public Float  $ 0
Entity Central Index Key0001816613  
Current Fiscal Year End Date--12-31  
Document Fiscal Year Focus2020  
Document Fiscal Period FocusFY  
Amendment Flagfalse  
Transition Reportfalse  
Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-fourth of one redeemable warrant   
Title of 12(b) SecurityUnits, each consisting of one Class A ordinary share and one-fourth of one redeemable warrant  
Trading SymbolAONE.U  
Security Exchange NameNASDAQ  
Class A ordinary shares   
Title of 12(b) SecurityClass A ordinary shares, par value $0.0001 per share  
Trading SymbolAONE  
Security Exchange NameNASDAQ  
Entity Common Stock, Shares Outstanding 21,500,000 
Redeemable warrants, each warrant exercisable for one Class A ordinary share, each at an exercise price of $11.50 per share   
Title of 12(b) SecurityRedeemable Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50  
Trading SymbolAONE.WS  
Security Exchange NameNASDAQ  
Class B ordinary shares   
Entity Common Stock, Shares Outstanding 5,375,000 

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