Quarterly report pursuant to Section 13 or 15(d)

Notes Payable - Additional Information (Details)

v3.22.1
Notes Payable - Additional Information (Details)
3 Months Ended
Jun. 02, 2021
USD ($)
Feb. 04, 2021
USD ($)
shares
May 01, 2020
USD ($)
shares
Apr. 16, 2020
USD ($)
d
$ / shares
Nov. 25, 2019
USD ($)
Mar. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
shares
Jun. 01, 2021
USD ($)
Debt Instrument [Line Items]                
Common stock, shares issued | shares           45,159,891 44,831,695  
Common stock value           $ 4,000 $ 4,000  
Warrants issued | shares     0          
Long-term portion of notes payable           190,625,000 $ 190,147,000  
Cowen Investments and Chardan                
Debt Instrument [Line Items]                
Debt instrument face amount     $ 2,700,000          
Aggregate settlement of investment shares | shares     440,595          
Cowen Investments                
Debt Instrument [Line Items]                
Debt instrument face amount     $ 2,300,000          
Aggregate settlement of investment shares | shares     374,506          
Conversion of common stock shares | shares   303,171 303,171          
Business combination contingent consideration liability except accrued interest payable   $ 0            
Conversion of Note, shares | shares   303,171 303,171          
Chardan                
Debt Instrument [Line Items]                
Debt instrument face amount     $ 405,000     405,000    
Aggregate settlement of investment shares | shares     66,089          
Loss on settlement     $ (200,000)          
Conversion of common stock shares | shares     53,501          
Conversion of Note, shares | shares     53,501          
Chardan | Other Current Liabilities                
Debt Instrument [Line Items]                
Accrued interest           39,000    
Cowen and Company, LLC and Chardan Capital markets, LLC                
Debt Instrument [Line Items]                
Business combination transaction related costs       $ 5,400,000        
Resale Registration Statement | Cowen and Company, LLC and Chardan Capital markets, LLC                
Debt Instrument [Line Items]                
Common stock value       $ 2,700,000        
Warrants exercise price | $ / shares       $ 0.01        
Beneficial ownership limitation percentage       4.99%        
Settlement shares, threshold percentage       15.00%        
Settlement shares, trailing days | d       10        
Non-convertible Notes                
Debt Instrument [Line Items]                
Notes payable           $ 0    
Convertible Notes                
Debt Instrument [Line Items]                
Debt instrument face amount               $ 200,000,000
Debt instrument term           5 years    
Interest rate           6.125%    
Conversion of common stock shares | shares           11,851,852    
Debt issuance costs               $ 11,400,000
Interest Nominal Rate           6.125%    
Debt instrument, frequency of fee           semi-annually    
Debt instrument, commencement date           Dec. 01, 2021    
Conversion of Note, shares | shares           11,851,852    
Debt instrument, convertible price per share | $ / shares           $ 16.875    
Debt instrument interest rate terms           i) the first anniversary of the issuance of the Merger Convertible Notes, subject to a holder’s prior right to convert, if the last reported sale price of the Kaleyra common stock exceeds 150% of the conversion price for at least 20 trading days during the period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter and (ii) the second anniversary of the issuance of the Merger Convertible Notes, subject to a holder’s prior right to convert, if the last reported sale price of the Kaleyra common stock exceeds 130% of the conversion price for at least 20 trading days during the period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter.    
Derivative liabilities           $ 0    
Outstanding amount of convertible notes           190,200,000    
Contractual interest expense           3,000,000.0    
Amortization of debt issuance costs           $ 478,000    
Convertible Notes | First Anniversary                
Debt Instrument [Line Items]                
Convertible notes, threshold percentage           150.00%    
Convertible Notes | Second Anniversary                
Debt Instrument [Line Items]                
Convertible notes, threshold percentage           130.00%    
Convertible Notes | Resale Registration Statement | Cowen and Company, LLC and Chardan Capital markets, LLC                
Debt Instrument [Line Items]                
Convertible notes       $ 2,700,000        
Debt instrument term       3 years        
Repaid earlier interest rate issuance term       1 year        
Repaid after interest rate issuance term       2 years        
Interest rate       5.00%        
Convertible notes, threshold percentage       5.00%        
Convertible notes, trailing days | d       10        
Interest Nominal Rate       5.00%        
Convertible Notes                
Debt Instrument [Line Items]                
Outstanding principal balance           50.00%    
Proceeds of equity financing in an aggregate gross amount           $ 105,000,000.0    
Common stock, shares issued | shares           8,400,000    
Common stock issued per share | $ / shares           $ 12.50    
Esse Effe S.p.A                
Debt Instrument [Line Items]                
Cash consideration         $ 6,000,000.0      
Debt instrument face amount $ 3,800,000              
Debt instrument, accrued interest 84,000,000              
Esse Effe S.p.A | Convertible Notes                
Debt Instrument [Line Items]                
Business combination convertible notes           $ 0    
Esse Effe S.p.A | Convertible Notes                
Debt Instrument [Line Items]                
Notes payable           3,000,000.0    
Accrued interest           176,000    
Maya                
Debt Instrument [Line Items]                
Cash consideration         $ 1,500,000      
Maya | Convertible Notes                
Debt Instrument [Line Items]                
Business combination convertible notes           0    
Maya | Convertible Notes                
Debt Instrument [Line Items]                
Notes payable           750,000    
Accrued interest           44,000    
Debt instrument face amount 3,800,000              
Debt instrument, accrued interest $ 84,000,000              
Wilmington Trust National Association | Convertible Notes                
Debt Instrument [Line Items]                
Debt issuance costs           $ 200,000,000