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CASH AND CASH EQUIVALENTS AND RESTRICTED CASH (Tables) | 12 Months Ended
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Dec. 31, 2019
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH |
Reconciliation of cash and cash equivalents and restricted cash | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2019 | ​ | December 31, 2018
Cash and cash equivalents | ​ | $ | 46,452 | ​ | $ | 15,756
Restricted cash (note 13) | ​ | ​ | — | ​ | ​ | 14,685
Restricted cash included in other assets | ​ | ​ | 48 | ​ | ​ | 48
Total cash, cash equivalents, and restricted cash | ​ | $ | 46,500 | ​ | $ | 30,489

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