Cash and Cash Equivalents and Restricted Cash (Tables)
 12 Months Ended
Dec. 31, 2020
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH [Abstract]  
Cash and cash equivalents

 

  

December 31,

2020

 

  

December 31,

2019

 

Cash on hand and at banks

  

$

94,787

 

  

$

77,041

 

Short-term deposits and highly liquid funds

  

 

94

 

  

 

950

 

Restricted cash

  

 

16,303

 

  

 

736

 

Cash and cash equivalents and restricted cash

  

$

111,184

 

  

$

78,727