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Investment And Other Gains Investment And Other Gains | 12 Months Ended
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Dec. 31, 2018
Investment And Other Gains [Abstract] |
Investment And Other Gains [Text Block] | INVESTMENT AND OTHER GAINS The following table summarizes our investment and other gains (in thousands):
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
Gains on sales of marketable securities | $ | — |  |  | $ | 10,038 |  |  | $ | 29,673 |
Gain on sale of real estate | — |  |  | 50 |  |  | 4,582 |
Other gains | — |  |  | — |  |  | 1,657 |
| $ | — |  |  | $ | 10,088 |  |  | $ | 35,912 |
During the years ended December 31, 2017 and 2016, we recognized gains on sales of marketable securities which were reclassified from accumulated other comprehensive income.

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