Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Reconciliation of Cash (Details)

v3.20.4
Summary of Significant Accounting Policies - Reconciliation of Cash (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Accounting Policies [Abstract]        
Cash and cash equivalents $ 48,767 $ 35,724    
Restricted cash 6,842 6,000    
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows $ 55,609 $ 41,724 $ 30,294 $ 36,507