Investments (Tables)

6 Months Ended

Jun. 30, 2016

Investments, Debt and Equity Securities [Abstract]

Investments schedule [Table Text Block]

(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