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Investments
12 Months Ended
Dec. 31, 2020
Investments [Abstract]  
Investments Investments
Investments consisted of the following:
 As of December 31,
(in thousands)20202019
Investments held at cost$4,564 $4,405 
Equity method investments9,840 3,970 
Total investments$14,404 $8,375 
Our investments do not trade in public markets, thus they do not have readily determinable fair values. We estimate the fair values of the investments to approximate their carrying values at December 31, 2020 and 2019.