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Cash and Cash Equivalents (Tables)
 6 Months Ended
Jun. 30, 2022
Cash and Cash Equivalents [Abstract]  
Cash and Cash Equivalents The carrying values of the Company’s cash and cash equivalents are as follows:
As of
June 30,
As of December 31,
20222021
(in thousands)
(unaudited)
Cash$39,298 $57,008 
Cash equivalents18,355 70,689 
Restricted cash - letters of credit6,885 6,927 
Total cash and cash equivalents$64,538 $134,624 
Restrictions on Cash and Cash Equivalents The carrying values of the Company’s cash and cash equivalents are as follows:
As of
June 30,
As of December 31,
20222021
(in thousands)
(unaudited)
Cash$39,298 $57,008 
Cash equivalents18,355 70,689 
Restricted cash - letters of credit6,885 6,927 
Total cash and cash equivalents$64,538 $134,624