Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details)

v3.21.2
Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Sep. 30, 2020
Dec. 31, 2019
Cash and Cash Equivalents [Abstract]        
Cash and cash equivalents $ 6,030 $ 5,507 $ 2,052  
Restricted cash 5,839 5,246 5,210  
Total cash and cash equivalents and restricted cash $ 11,869 $ 10,753 $ 7,262 $ 7,185