Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

v3.20.2
Document And Entity Information - shares
 9 Months Ended
Sep. 30, 2020
Nov. 03, 2020
Document Information Line Items    
Entity Registrant Name LEGACY ACQUISITION CORP.  
Trading Symbol LGC  
Document Type 10-Q  
Current Fiscal Year End Date --12-31  
Amendment Flag false  
Entity Central Index Key 0001698113  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Document Period End Date Sep. 30, 2020  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q3  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Shell Company true  
Entity Ex Transition Period false  
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 001-37509  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 81-3674868  
Entity Address, Address Line One 1308 Race Street  
Entity Address, Address Line Two Suite 200  
Entity Address, City or Town Cincinnati  
Entity Address, State or Province OH  
Entity Address, Postal Zip Code 45202  
City Area Code 513  
Local Phone Number 618-7161  
Title of 12(b) Security Class A common stock, par value $0.0001 per share  
Security Exchange Name NYSE  
Entity Interactive Data Current Yes  
Class F Common Stock    
Document Information Line Items    
Entity Common Stock, Shares Outstanding   7,500,000
Class A Common Stock    
Document Information Line Items    
Entity Common Stock, Shares Outstanding   6,122,699