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Cash, Cash Equivalents, and Restricted Cash (Tables)
 6 Months Ended
Jun. 30, 2018
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents [Abstract]  
Summary of Cash, Cash Equivalents and Restricted Cash

Cash, cash equivalents and restricted cash consist of the following:

 

 

 

June 30,

 

 

December 31,

 

 

 

2018

 

 

2017

 

 

 

(In thousands)

 

 

 

(unaudited)

 

 

 

 

 

Cash

 

$

9,752

 

 

$

4,039

 

Money market

 

 

87,991

 

 

 

87,178

 

Total cash and cash equivalents

 

$

97,743

 

 

$

91,217

 

Restricted cash

 

$

750

 

 

$

6,389

 

Total

 

$

98,493

 

 

$

97,606