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Investments
12 Months Ended
Dec. 31, 2015
Investments [Abstract]  
Investments
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


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, 2015 and 2014. There can be no assurance we would realize the carrying values of these securities upon their sale.