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Investments (Tables)
 3 Months Ended
Mar. 31, 2021
Investments [Abstract]  
Other Investments
Investments consist of the following:
(in thousands)March 31,
2021		December 31,
2020
SERP Investments at fair value$2,039 $2,687 
Cost method investments10,780 10,536 
Equity method investments557 546 
Total investments$13,376 $13,769