Investments

The investment balances at September 30, 2017 and December 31, 2016, consisted of the following:



(in thousands)	September 30, 2017		December 31, 2016
Rabbi trust (associated with the Deferred Compensation Plan)	$	6,358	$	4,881
Investments in equity securities	22		21
Total	$	6,380	4,902

We classify these investments as trading securities and report them at their fair value. For the three months ended September 30, 2017 and 2016, we recorded a net unrealized gain of approximately $261,000 and $193,000, respectively, in other income (expense), net in the condensed consolidated statements of income related to these investments. For the nine months ended September 30, 2017 and 2016, we recorded an unrealized gain of approximately $694,000 and $246,000, respectively, in other income (expense), net in the condensed 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 condensed consolidated balance sheets and is adjusted each month for the gains and losses incurred by the investments in the Rabbi Trust.