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Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2021
Accounting Policies [Abstract]  
Summary of Assets and Liabilities Measured at Fair Value On Recurring Basis The following table provides a reconciliation of cash and cash equivalents and restricted cash reported within the condensed balance sheets that sum to the amounts shown in the condensed statements of cash flows (in thousands):
    
March 31,
202
1
    
December 31,
2020
 
Cash and cash equivalents
   $ 374,205      $ 386,569  
Restricted cash
     350        350  
    
 
 
    
 
 
 
Total cash and cash equivalents and restricted cash
   $ 374,555      $ 386,919