Investments (Tables)

3 Months Ended

Mar. 31, 2019

Investments, Debt and Equity Securities [Abstract]

Investments schedule [Table Text Block]

The investment balances at March 31, 2019 and December 31, 2018, consisted of the following:

(in thousands)	March 31, 2019		December 31, 2018
Rabbi trust (associated with the Non-Qualified Deferred Compensation Plan)	$	7,484	$	6,689
Investments in equity securities	25		22
Total	$	7,509	$	6,711