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Restricted Cash
6 Months Ended
Jun. 30, 2020
Receivables [Abstract]  
Restricted Cash Restricted Cash
The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the condensed consolidated balance sheet that sum to the total of the same such amounts shown in the statements of cash flows (in thousands):
 June 30,
 20202019
Cash and cash equivalents$283,521  $163,609  
Restricted cash1,597  1,597  
Total cash, cash equivalents and restricted cash shown in the statement of cash flows$285,118  $165,206  
As of June 30, 2020 and December 31, 2019, the Company maintained letters of credit totaling $1.6 million held in the form of certificates of deposit and money market funds as collateral for the Company's facility lease obligation and its credit cards.