Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Leases (Details)

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Commitments and Contingencies - Leases (Details) - lease
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Commitments and Contingencies Disclosure [Abstract]    
Number of leases of facilities located in the United States and the Netherlands 3  
Number of leases of office equipment, under operating leases 1  
Number of additional lease of equipment under a finance lease arrangement   1