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Restricted Cash
12 Months Ended
Dec. 31, 2019
Cash and Cash Equivalents [Abstract]  
Restricted Cash Restricted Cash
The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the consolidated balance sheet that sum to the total of the same such amounts shown in the statement of cash flows (in thousands):
 
December 31,
 
2019
 
2018
 
2017
Cash and cash equivalents
$
237,677

 
$
144,052

 
$
100,150

Restricted cash
1,597

 
1,597

 
1,132

Total cash, cash equivalents and restricted cash shown in the statement of cash flows
$
239,274

 
$
145,649

 
$
101,282


As of December 31, 2019, 2018, and 2017, the Company maintained letters of credit totaling $1.6 million, $1.6 million and $1.1 million, respectively, held in the form of certificates of deposit as collateral for the Company's facility lease obligations and its credit cards.