Investments (Tables)

12 Months Ended

Dec. 31, 2016

Investments [Abstract]

Investments schedule [Table Text Block]

(in thousands)	December 31, 2016		December 31, 2015
Rabbi trust (associated with the Non-qualified Deferred Compensation Plan)	$	4,881	$	3,626
Investments in equity securities	21		18
Total	$	4,902	$	3,644