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Investments (Tables)
 9 Months Ended
Sep. 30, 2012
Investments  
Summary of investments in securities

The following table summarizes our investments in securities (in thousands):

 

 

 

September 30,

 

December 31,

 

 

 

2012

 

2011

 

Available-for-sale securities, cost basis

 

$

3,472

 

$

2,401

 

Gross unrealized gains

 

3,189

 

4,206

 

Gross unrealized losses

 

(98

)

(372

)

Available-for-sale securities, at fair value

 

6,563

 

6,235

 

Investments accounted for under cost method

 

101,239

 

89,510

 

Investments accounted for under equity method

 

6

 

32

 

Total investments

 

$

107,808

 

$

95,777