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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2020
Summary of Significant Accounting Policies [Abstract]  
Cash, Cash Equivalents and Restricted Cash

Restricted cash consists of deposits collateralizing letters of credit issued by a bank in connection with the Company’s operating leases (see Note 12 “Commitments and Contingencies” for additional disclosures) and a deposit collateralizing a letter of credit issued by a bank supporting the Company’s Corporate Credit Card. Cash, cash equivalents and restricted cash consist of the following:

 
December 31,
2020
   
December 31,
2019
 
             
Cash and cash equivalents
 
$
297,098
   
$
185,383
 
Restricted cash
   
1,568
     
1,525
 
   
$
298,666
   
$
186,908