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Investments In Marketable Securities (Tables)
 12 Months Ended
Dec. 31, 2015
Marketable Securities [Abstract]  
Schedule Of Marketable Securities
Marketable securities consist of the following (in thousands):
 
December 31, 2015
 
December 31, 2014
 
Amortized Cost

 
Fair Value

 
Amortized Cost

 
Fair Value

Common stock of other healthcare REITs
$
21,040

 
$
55,815

 
$
4,088

 
$
15,503

Debt securities
$
17,037

 
$
16,929

 
$
—

 
$
—