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CASH, CASH EQUIVALENTS AND RESTRICTED CASH (Tables) | 6 Months Ended
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Jun. 30, 2020
CASH, CASH EQUIVALENTS AND RESTRICTED CASH |
Reconciliation of cash and cash equivalents and restricted cash | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2020 | ​ | December 31, 2019
Cash and cash equivalents | ​ | $ | 18,410 | ​ | $ | 46,452
Restricted cash included in other assets | ​ | ​ | 48 | ​ | ​ | 48
Total cash, cash equivalents, and restricted cash | ​ | $ | 18,458 | ​ | $ | 46,500

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