Investments (Tables)

6 Months Ended

Jun. 30, 2021

Investments, Debt and Equity Securities [Abstract]

Investments schedule [Table Text Block]

The investment balances at June 30, 2021 and December 31, 2020, consisted of the following:

(in thousands)	June 30, 2021		December 31, 2020
Rabbi trust (associated with the Non-Qualified Deferred Compensation Plan)	$	11,723	$	10,755
Investments in equity securities	22		21
Total	$	11,745	$	10,776