Investments

12 Months Ended

Dec. 31, 2018

Investments [Abstract]

Investments

Investments

Investments consisted of the following:

	As of December 31,
(in thousands)	2018		2017
Investments held at cost	$	4,114	$	4,603
Equity method investments	3,048		3,096
Total investments	$	7,162	$	7,699

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, 2018 and 2017.