Investments (Tables)

9 Months Ended

Sep. 30, 2016

Investments [Abstract]

Summary of Investments

Investments primarily comprise strategic investments and deferred compensation investments. Investments consist of the following (in thousands):

	September 30, 2016		December 31, 2015
Strategic investments:
Investments accounted for under the equity method	$	87,099	$	86,853
Investments held at fair value	2,093		1,814
Investments held at adjusted cost	2,293		8,746
Total strategic investments	91,485		97,413
Other investments	2,290		1,530
Total investments	$	93,775	$	98,943