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Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2021
Accounting Policies [Abstract]  
schedule of cash and cash equivalents and restricted cash Total cash and cash equivalents and restricted cash as presented in the condensed consolidated statements of cash flows are summarized as follows:
September 30, 2021December 31, 2020September 30, 2020December 31, 2019
Cash and cash equivalents$289,486 $389,705 $7,565 $6,285 
Restricted cash included in other non-current assets698 — — — 
Total presented in the condensed consolidated statements of cash flows$290,184 $389,705 $7,565 $6,285