Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Recently Adopted Accounting Pronouncements (Details)

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Summary of Significant Accounting Policies - Recently Adopted Accounting Pronouncements (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 01, 2019
Dec. 31, 2019
Nov. 30, 2019
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]      
Operating lease liability   $ 25,055  
Operating lease liability, short term   1,037  
Operating lease liability, long term   $ 24,018  
Lease operating, discounted borrowing rate   9.30%  
Operating lease, right-of-use asset   $ 15,821  
Accounting Standards Update 2016-02      
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]      
Lease practical expedient true true  
Operating lease liability $ 2,200   $ 200
Operating lease liability, short term 1,100    
Operating lease liability, long term $ 1,100 $ 15,800  
Lease operating, discounted borrowing rate 10.00%    
Operating lease, right-of-use asset $ 1,500 $ 15,800 $ 200
Deferred rent $ 700