Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.20.1
Summary of Significant Accounting Policies - Additional Information (Details) - 3 months ended Mar. 31, 2020
€ in Thousands, $ in Thousands
USD ($)
Segment
EUR (€)
Accounting Policies [Line Items]    
Number of business segments | Segment 1  
Certificates Of Deposit    
Accounting Policies [Line Items]    
Restricted cash $ 90  
Maximum    
Accounting Policies [Line Items]    
Cash, FDIC insured amount 250  
Cash, DGS insured amount $ 110 € 100