Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.22.1
Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2021
Mar. 30, 2022
Jun. 30, 2021
Document Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2021    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Entity Registrant Name Build Acquisition Corp.    
Entity Central Index Key 0001838666    
Current Fiscal Year End Date --12-31    
Entity Filer Category Non-accelerated Filer    
Entity Interactive Data Current Yes    
Entity Current Reporting Status No    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
Entity Small Business true    
Entity Shell Company true    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer No    
ICFR Auditor Attestation Flag false    
Entity Incorporation, State or Country Code DE    
Entity File Number 001-40220    
Entity Tax Identification Number 86-1389419    
Entity Address, Address Line One 3500 Jefferson    
Entity Address, Address Line Two Suite 303    
Entity Address, City or Town Austin    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 78731    
City Area Code 512    
Local Phone Number 994-2983    
Document Annual Report true    
Document Transition Report false    
Entity Public Float     $ 171,982,500
Auditor Name Marcum LLP    
Auditor Location Costa Mesa, CA    
Auditor Firm ID 688    
Documents Incorporated by Reference

Documents Incorporated by Reference: None.

   
Class A Common Stock      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   20,000,000  
Security 12b Title Class A common stock, par value $0.0001 per share    
Trading Symbol BGSX    
Security Exchange Name NYSE    
Class B Common Stock      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   5,000,000  
Units      
Document Information [Line Items]      
Security 12b Title Units, each consisting of one share of Class A common stock and one-third of one redeemable warrant    
Trading Symbol BGSX.U    
Security Exchange Name NYSE    
Redeemable Warrants      
Document Information [Line Items]      
Security 12b Title Redeemable warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50    
Trading Symbol BGSX WS    
Security Exchange Name NYSE