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CASH, CASH EQUIVALENTS AND RESTRICTED CASH (Tables) | 9 Months Ended
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Sep. 30, 2020
CASH, CASH EQUIVALENTS AND RESTRICTED CASH |
Reconciliation of cash and cash equivalents and restricted cash | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2020 | ​ | December 31, 2019
Cash and cash equivalents | ​ | $ | 7,954 | ​ | $ | 46,452
Restricted cash - current (Note 13) | ​ | ​ | 10,193 | ​ | ​ | -
Restricted cash - non-current (Note 17) | ​ | ​ | 3,595 | ​ | ​ | 48
Total cash, cash equivalents, and restricted cash | ​ | $ | 21,742 | ​ | $ | 46,500

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