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Investments | 12 Months Ended
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Dec. 31, 2018
Investments [Abstract] |
Investments | I NVESTMENTS The investment balances at December 31, 2018 and 2017, consisted of the following:
| As of December 31,
(in thousands) | 2018 |  | 2017
Rabbi trust (associated with the Non-Qualified Deferred Compensation Plan) | $ | 6,689 |  |  | $ | 6,734 |
Investments in equity securities | 22 |  |  | 22 |
Total | $ | 6,711 |  |  | $ | 6,756 |
We classify these investments as trading securities and report them at their fair value. For the year ended December 31, 2018, we recorded net unrealized losses of $428,000 and for the years ended December 31, 2017 and 2016, we recorded net unrealized gains of $1.0 million and $379,000, respectively, in other income (expense) in the consolidated statements of income related to these investments. For the investment in the Rabbi Trust, we also have recorded an associated liability, which is included in other pension and benefit costs in the consolidated balance sheets and is adjusted each period for the gains and losses incurred by the investments in the Rabbi Trust.

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