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OTHER INCOME (Tables) | 12 Months Ended
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Dec. 31, 2019
OTHER INCOME |
Schedule of other income (expense) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year ended December 31,
​ |  | 2019 |  | 2018 |  | 2017
Unrealized and realized gain (loss) on investments (note 5) | ​ | $ | 5,259 | ​ | $ | (3,324) | ​ | $ | 257
Foreign currency gain | ​ | ​ | 1,697 | ​ | ​ | 3,922 | ​ | ​ | 694
Other income, net | ​ | ​ | 184 | ​ | ​ | 570 | ​ | ​ | 270
Total other income | ​ | $ | 7,140 | ​ | $ | 1,168 | ​ | $ | 1,221

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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