Quarterly report pursuant to Section 13 or 15(d)

Cover Page

Cover Page - shares
9 Months Ended
Sep. 30, 2021
Oct. 29, 2021
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2021  
Document Transition Report false  
Entity File Number 001-37673  
Entity Registrant Name WORKHORSE GROUP INC.  
Entity Incorporation, State or Country Code NV  
Entity Tax Identification Number 26-1394771  
Entity Address, Address Line One 100 Commerce Drive  
Entity Address, City or Town Loveland  
Entity Address, State or Province OH  
Entity Address, Postal Zip Code 45140  
City Area Code 513  
Local Phone Number 360-4704  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Title of 12(b) Security Common Stock, $0.001 par value per share  
Trading Symbol WKHS  
Entity Common Stock, Shares Outstanding   140,185,565
Entity Central Index Key 0001425287  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q3  
Amendment Flag false