Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Details)

v3.20.2
Subsequent Events - Additional Information (Details) - USD ($)
Oct. 07, 2020
Mar. 31, 2020
Oct. 02, 2020
Sep. 30, 2020
Dec. 31, 2019
Dec. 12, 2017
Subsequent Event [Line Items]            
Common stock, par value       $ 0.0001 $ 0.0001 $ 0.0001
Common stock, shares issued       31,273,139 19,977,113  
Kaleyra S.p.A | Intesa SanPaolo S.p.A.            
Subsequent Event [Line Items]            
Deferment of debt repayments beyond December 31, 2020   $ 404,000        
Warrants            
Subsequent Event [Line Items]            
Warrants or rights outstanding       11,154,938    
Subsequent Event | Kaleyra S.p.A | Intesa SanPaolo S.p.A.            
Subsequent Event [Line Items]            
Deferment of debt repayments beyond December 31, 2020 $ 404,000          
Riverview Group LLC | Subsequent Event            
Subsequent Event [Line Items]            
Common stock, shares issued     850,500      
Warrants or rights outstanding     7,374,938      
Riverview Group LLC | Warrant Exchange Agreement            
Subsequent Event [Line Items]            
Warrants to purchase an aggregate of common stock       3,780,000    
Common stock, par value       $ 0.0001