Investments (Tables)

12 Months Ended

Dec. 31, 2020

Investments [Abstract]

Investments schedule [Table Text Block]

	As of December 31,
(in thousands)	2020		2019
Rabbi trust (associated with the Non-Qualified Deferred Compensation Plan)	$	10,755	$	9,202
Investments in equity securities	21		27
Total	$	10,776	$	9,229