Investments (Tables)

3 Months Ended

Mar. 31, 2021

Investments, Debt and Equity Securities [Abstract]

Investments schedule [Table Text Block]

The investment balances at March 31, 2021 and December 31, 2020, consisted of the following:

(in thousands)	March 31, 2021		December 31, 2020
Rabbi trust (associated with the Non-Qualified Deferred Compensation Plan)	$	10,860	$	10,755
Investments in equity securities	23		21
Total	$	10,883	$	10,776