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Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Cash and Cash Equivalents
The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the unaudited condensed consolidated balance sheets to the total amounts shown in the unaudited condensed consolidated statements of cash flows:
 September 30,December 31,
20212020
Cash and cash equivalents$65,204 $63,061 
Restricted cash 1,154 1,178 
Cash, cash equivalents and restricted cash–discontinued operations43 146 
Total cash, cash equivalents and restricted cash in the condensed consolidated statements of cash flows$66,401 $64,385