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Cash and cash equivalents (Tables)
12 Months Ended
Dec. 31, 2020
Cash and Cash Equivalents [Abstract]  
Cash and cash equivalents

Cash and cash equivalents consist of the following:

    December 31,
2020
    December 31,
2019 
 
Cash and cash equivalents $ 19,303   $ 23,354  
Restricted cash   11,425     7,048  
Total cash and cash equivalents and restricted cash $ 30,728   $ 30,402