XML 40 R28.htm IDEA: XBRL DOCUMENT v3.7.0.1
Investment And Other Gains (Tables)
 6 Months Ended
Jun. 30, 2017
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
 
Six Months Ended
 
June 30,
 
June 30,

2017
 
2016
 
2017
 
2016
Gains on sales of real estate
$
—

 
$
2,928

 
$
50

 
$
4,582

Gains on sales of marketable securities
—

 
23,487

 
10,038

 
23,498

 
$
—

 
$
26,415

 
$
10,088

 
$
28,080