Investments (Tables)

12 Months Ended

Dec. 31, 2019

Investments [Abstract]

Schedule of investments

Investments consisted of the following:

	As of December 31,
(in thousands)	2019		2018
Investments held at cost	$	4,405	$	4,114
Equity method investments	4,148		3,048
Total investments	$	8,553	$	7,162