Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Cash, cash equivalents and restricted cash (Details)

v3.22.0.1
Summary of Significant Accounting Policies - Cash, cash equivalents and restricted cash (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Summary of Significant Accounting Policies        
Cash and cash equivalents $ 149,948 $ 56,882    
Restricted cash 1,718 4,602    
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows $ 151,666 $ 61,484 $ 54,908 $ 72,476