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Investment And Other Gains Investment And Other Gains (Tables)
 12 Months Ended
Dec. 31, 2013
Investment And Other Gains [Abstract]  
Schedule of Investment And Other Gains [Table Text Block]
The following table summarizes our investment and other gains (in thousands):
 
Year Ended December 31,
 
2013
 
2012
 
2011
Gain on payoff of mortgage note receivable
$
—

 
$
4,605

 
$
—

Gains on sales of marketable securities
—

 
30

 
9,899

Gain on purchase liability settlement
3,256

 
—

 
—

Other gains
50

 
242

 
362

 
$
3,306

 
$
4,877

 
$
10,261