| 2021-02-10           | 
                                                                                        Other           | 
                                                                                        SC 13G/A           | 
                                                                                        An amendment to the SC 13G filing           | 
                                                                                                   | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-02-09           | 
                                                                                        Current Reports           | 
                                                                                        8-K           | 
                                                                                        Report of unscheduled material events or corporate event           | 
                                                                                                   | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-02-08           | 
                                                                                        Other           | 
                                                                                        SC 13G/A           | 
                                                                                        An amendment to the SC 13G filing           | 
                                                                                                   | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-02-02           | 
                                                                                        Other           | 
                                                                                        SC 13G           | 
                                                                                        A statement of beneficial ownership of common stock by certain persons           | 
                                                                                                   | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-01-12           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        Sourisseau Didier           | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-01-12           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        NOVAES DJALMA JR           | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-01-12           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        DONAHUE TIMOTHY J           | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-01-12           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        GOH HOCK HUAT           | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-01-12           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        KELLY THOMAS A           | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-01-12           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        Gifford Gerard H           | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-01-12           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        Bourque Robert H Jr           | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-01-11           | 
                                                                                        Other           | 
                                                                                        SC 13G           | 
                                                                                        A statement of beneficial ownership of common stock by certain persons           | 
                                                                                                   | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-01-08           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        NOVAES DJALMA JR           | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-01-08           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        Bourque Robert H Jr           | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-01-08           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        Sourisseau Didier           | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-01-08           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        Gifford Gerard H           | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-01-08           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        KELLY THOMAS A           | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-01-08           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        DONAHUE TIMOTHY J           | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-01-05           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        KELLY THOMAS A           | 
                                       | 
                                       | 
                                       | 
                                       | 
              
          
                                                                                        | 2021-01-05           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        NOVAES DJALMA JR           | 
                                       | 
                                       | 
                                       | 
                                       |