Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.22.1
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Mar. 14, 2022
Jun. 30, 2021
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2021    
Entity File Number 001-39283    
Entity Registrant Name LIGHTNING eMOTORS, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 84-4605714    
Entity Address, Address Line One 815 14h Street SW    
Entity Address, Address Line Two Suite A100    
Entity Address, City or Town Loveland    
Entity Address State Or Province CO    
Entity Address, Postal Zip Code 80537    
City Area Code 800    
Local Phone Number 233-0740    
Title of 12(b) Security Common Stock, $0.0001 Par Value per Share    
Trading Symbol ZEV    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
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 Ex Transition Period false    
ICFR Auditor Attestation Flag false    
Auditor Firm ID 248    
Auditor Name GRANT THORNTON LLP    
Auditor Location Denver, Colorado    
Entity Shell Company false    
Entity Public Float     $ 232.6
Entity Common Stock, Shares Outstanding   75,153,199  
Entity Central Index Key 0001802749    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Amendment Flag false    
Redeemable Warrants [Member]      
Title of 12(b) Security Redeemable Warrants, each full warrant exercisable for one share of Common stock at an exercise price of $11.50 per share    
Trading Symbol ZEV.WS    
Security Exchange Name NYSE