Annual report pursuant to Section 13 and 15(d)

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

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Summary of Significant Accounting Policies - Recently Issued Accounting Pronouncements (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Lease liabilities $ 2,572  
Right-of-use assets, net $ 1,792  
ASU 2016-02 | Restatement adjustment    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Lease liabilities   $ 3,000
Right-of-use assets, net   $ 2,200