v3.24.2.u1
Description of Business and Nature of Operations (Details) - $ / shares
May 22, 2023
Jul. 01, 2021
Oct. 02, 2020
Jun. 30, 2024
Dec. 31, 2023
Class A Common Stock          
Conversion ratio   1      
Class B Common Stock          
Conversion ratio   1      
Percentage of voting interest       64.80% 65.40%
EVgo Holdings          
Units owned       195,800,000 195,800,000
Private Placement Warrants | Climate Change Crisis Real Impact I Acquisition Corporation          
Warrants issued (in shares)     6,600,000    
Unit price (in dollars per share)     $ 1.00    
Thunder Sub | EVgo OpCo          
Percentage of ownership interest by non controlling owners       64.80% 65.40%
Affiliated Entity | Evgo Member Holdings | Public offering | Class A Common Stock          
Issuance of Class A common stock, net of issuance costs (in shares) 5,882,352        
Public offering price per share $ 4.25        
Affiliated Entity | EVgo Holdings and EVgo Member Holdings          
Percentage of voting interest       66.70% 67.40%