Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.19.3
Summary of Significant Accounting Policies - Additional Information (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2019
USD ($)
segment
Jan. 01, 2019
USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Number of operating segments | segment 1  
Number of geographic segments | segment 1  
Number of long-term office leases 2  
Number of equipment finance leases 1  
Right-of-use asset $ 1,310  
Operating lease, liability $ 1,508  
Accounting Standards Update 2016-02    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Right-of-use asset   $ 1,600
Operating lease, liability   $ 1,800