Quarterly report pursuant to Section 13 or 15(d)

Debt for Forward Share Purchase Agreements - Additional Information (Details)

v3.21.1
Debt for Forward Share Purchase Agreements - Additional Information (Details) - USD ($)
1 Months Ended 12 Months Ended
Mar. 29, 2021
Feb. 25, 2021
Mar. 02, 2021
Dec. 31, 2020
Mar. 31, 2021
Debt Instrument [Line Items]          
Business combination, obligation         $ 128,000
Forward Share Purchase Agreement          
Debt Instrument [Line Items]          
Debt Instrument, carrying amount         $ 0
Forward Share Purchase Agreement | Nomura Global Financial Products | Kaleyra Incorporation          
Debt Instrument [Line Items]          
Prepayment amount transferred   $ 17,000,000.0      
Business combination contingent consideration liability except accrued interest payable   $ 0      
Forward Share Purchase Agreement | Open Market          
Debt Instrument [Line Items]          
Business combination, shares acquired       43,930  
Forward Share Purchase Agreement | Open Market | Third Yakira Amendment          
Debt Instrument [Line Items]          
Business combination, shares acquired 219   219    
Business combination, obligation $ 0        
Forward Share Purchase Agreement | Open Market | Third Yakira Amendment | Minimum          
Debt Instrument [Line Items]          
Business combination, share price per share     $ 11.00