Cash and Cash Equivalents and Restricted Cash (Tables)
 6 Months Ended
Jun. 30, 2022
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract]  
Cash and Cash equivalents

 

   

June 30,

2022

  

December 31,

2021
Cash on hand and at banks   $ 45,561   $ 53,547
Short-term deposits and highly liquid funds     659     44
Restricted cash     8,726     84,260
Cash and cash equivalents and restricted cash   $ 54,946   $ 137,851