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Investment And Other Gains (Tables)
 9 Months Ended
Sep. 30, 2016
Investment And Other Gains [Abstract]  
Schedule of Investment And Other Gains
The following table summarizes our investment and other gains (in thousands):
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,

2016
 
2015
 
2016
 
2015
Gains on sales of real estate
$
—

 
$
1,126

 
$
4,582

 
$
1,126

Gains on sales of marketable securities
—

 
61

 
23,498

 
61

Gain on sale of equity-method investee
1,657

 
—

 
1,657

 
—

 
$
1,657

 
$
1,187

 
$
29,737

 
$
1,187