XML 76 R63.htm IDEA: XBRL DOCUMENT v3.21.1
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Dec. 31, 2019
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH        
Cash and cash equivalents $ 47,402 $ 20,843    
Restricted cash - non-current (Note 18) 3,625 3,595    
Total cash, cash equivalents, and restricted cash $ 51,027 $ 24,438 $ 28,822 $ 46,500