Gains On Sales Of Marketable Securities (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Marketable Securities, Realized Gain (Loss)	$ 0	$ 1,090,000	$ 30,000	$ 9,899,000
National Healthcare Corporation Convertible Preferred Stock [Member]
Preferred Shares Sold				96,330
LTC Properties, Inc. [Member]
Common Shares Sold				381,000
National Healthcare and LTC Properties, Inc [Member]
Marketable Securities, Realized Gain (Loss)				8,809,000
Nationwide Health Properties [Member]
Marketable Securities, Realized Gain (Loss)		$ 1,090,000
Common Shares Given Up In Exchange		50,000
Ventas Inc [Member]
Common Shares Received In Exchange		39,330