Investments (Tables)

12 Months Ended

Dec. 31, 2015

Investments [Abstract]

Schedule of investments

Investments consisted of the following:

	As of December 31,
(in thousands)	2015		2014
Investments held at cost	$	10,652	$	5,433
Equity method investments	3,204		4,021
Total investments	$	13,856	$	9,454