Investments

The investment balances at June 30, 2016 and December 31, 2015, consisted of the following:




(in thousands)	June 30, 2016		December 31, 2015
Rabbi trust (associated with the Deferred Compensation Plan)	$	4,304	$	3,626
Investments in equity securities	21		18
Total	$	4,325	$	3,644

We classify these investments as trading securities and report them at their fair value. For the three months ended June 30, 2016 and 2015, we recorded a net unrealized gain of approximately $71,000 and approximately $4,000, respectively, in other income in the condensed consolidated statements of income related to these investments. For the six months ended June 30, 2016 and 2015, we recorded an unrealized gain of approximately $53,000 and approximately $107,000, respectively, in other income 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.