Annual report pursuant to Section 13 and 15(d)

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

v3.22.0.1
Summary of Significant Accounting Policies - Reconciliation of Cash (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Accounting Policies [Abstract]        
Cash and cash equivalents $ 32,756 $ 48,767    
Restricted cash 6,251 6,842    
Total cash and cash equivalents, and restricted cash shown in the consolidated statements of cash flows $ 39,007 $ 55,609 $ 41,724 $ 30,294