Quarterly report pursuant to Section 13 or 15(d)

Description of Organization and Business Operations - Summary of Aggregate Number of Earnout Shares Entitle to Receive by Sellers (Details)

v3.19.1
Description of Organization and Business Operations - Summary of Aggregate Number of Earnout Shares Entitle to Receive by Sellers (Details)
6 Months Ended
Mar. 31, 2019
shares
Redemption Percentage, Less than 50.00%  
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]  
Number of shares 8,616,819
Redemption Percentage, Less than 50.00% | Earnout Shares, milestone 2 | Kaleyra | Aggregate 2020 Earnout Shares  
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]  
Number of shares 2,146,139
Redemption Percentage, Less than 50.00% | Aggregate 2019 Earnout Shares | Earnout Shares, milestone 1 | Kaleyra  
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]  
Number of shares 2,146,133
Redemption Percentage, Equal to or greater than 50.00% but less than or equal to 62.50%  
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]  
Number of shares 8,999,319
Redemption Percentage, Equal to or greater than 50.00% but less than or equal to 62.50% | Earnout Shares, milestone 2 | Kaleyra | Aggregate 2020 Earnout Shares  
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]  
Number of shares 1,954,881
Redemption Percentage, Equal to or greater than 50.00% but less than or equal to 62.50% | Aggregate 2019 Earnout Shares | Earnout Shares, milestone 1 | Kaleyra  
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]  
Number of shares 1,954,892
Redemption Percentage, Greater than 62.50% but less than or equal to 75.00%  
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]  
Number of shares 9,381,819
Redemption Percentage, Greater than 62.50% but less than or equal to 75.00% | Earnout Shares, milestone 2 | Kaleyra | Aggregate 2020 Earnout Shares  
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]  
Number of shares 1,763,639
Redemption Percentage, Greater than 62.50% but less than or equal to 75.00% | Aggregate 2019 Earnout Shares | Earnout Shares, milestone 1 | Kaleyra  
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]  
Number of shares 1,763,633
Redemption Percentage, Greater than 75.00% but less than 87.50%  
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]  
Number of shares 9,781,819
Redemption Percentage, Greater than 75.00% but less than 87.50% | Earnout Shares, milestone 2 | Kaleyra | Aggregate 2020 Earnout Shares  
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]  
Number of shares 1,563,631
Redemption Percentage, Greater than 75.00% but less than 87.50% | Aggregate 2019 Earnout Shares | Earnout Shares, milestone 1 | Kaleyra  
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]  
Number of shares 1,563,642
Redemption Percentage, Equal to or greater than 87.50%  
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]  
Number of shares 10,181,819
Redemption Percentage, Equal to or greater than 87.50% | Earnout Shares, milestone 2 | Kaleyra | Aggregate 2020 Earnout Shares  
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]  
Number of shares 1,363,639
Redemption Percentage, Equal to or greater than 87.50% | Aggregate 2019 Earnout Shares | Earnout Shares, milestone 1 | Kaleyra  
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]  
Number of shares 1,363,633