Annual report pursuant to Section 13 and 15(d)


Cover - USD ($)
12 Months Ended
Dec. 31, 2020
Mar. 31, 2021
Jun. 30, 2020
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2020    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2020    
Current Fiscal Year End Date --12-31    
Entity File Number 001-39679    
Entity Registrant Name New Beginnings Acquisition Corp.    
Entity Central Index Key 0001823882    
Entity Incorporation, State or Country Code DE    
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 Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Elected Not To Use the Extended Transition Period false    
Entity Shell Company true    
Entity Common Stock, Shares Outstanding   14,920,000  
Entity Public Float     $ 116,495,000
ICFR Auditor Attestation Flag false