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Significant Accounting and Reporting Policies - Schedule of reconciliation of cash, cash equivalents and restricted cash (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Cash and cash equivalents $ 53,228 $ 44,656 $ 51,802
Restricted cash within prepaid expenses and other current assets 461 0 0
Restricted Cash And Cash Equivalents $ 53,689 $ 44,656 $ 51,802