Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

Document And Entity Information - USD ($)
10 Months Ended
Dec. 31, 2020
Apr. 22, 2021
Document Information Line Items    
Entity Registrant Name Mallard Acquisition Corp.  
Document Type 10-K  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   13,750,000
Entity Public Float $ 116,270,000  
Amendment Flag false  
Entity Central Index Key 0001805795  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Filer Category Non-accelerated Filer  
Entity Well-known Seasoned Issuer No  
Document Period End Date Dec. 31, 2020  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus FY  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Shell Company true  
Entity Ex Transition Period false  
Document Transition Report false  
Entity File Number 001-39611  
Entity Incorporation, State or Country Code DE  
Entity Interactive Data Current Yes