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Cash, cash equivalents and restricted cash (Tables)
 12 Months Ended
Dec. 31, 2018
Cash, cash equivalents and restricted cash  
Schedule of reconciliation of cash, cash equivalents and restricted cash

 

 

 

 

 

 

 

 

December 31,

 

 

2018

 

 

2017

 

 

(in thousands)

 

Cash and cash equivalents

$
177,993

 

$
133,407

 

Short-term and long-term restricted cash

 
6,909

 

 
7,473

 

Total cash, cash equivalents and restricted cash

$
184,902

 

$
140,880