Investments In Marketable Securities (Narrative) (Details) (USD $)	9 Months Ended		12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Available-for-sale Securities, Gross Unrealized Gains	$ 8,562,000	$ 8,796,000
Marketable Securities, Realized Gain (Loss)			0	30,000	9,899,000
Dividend Income On Marketable Securities			667,000	628,000	822,000
LTC Properties, Inc. [Member]
Common Shares Sold					381,000
NHC Convertible Preferred Stock [Member]
Preferred Shares Sold					96,330
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