Discontinued Operations (Narrative) (Details) (USD $)	12 Months Ended														12 Months Ended							12 Months Ended
	Dec. 31, 2013 properties	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2011 Texas SNF [Member]	Dec. 31, 2011 Daytona, Florida ALF [Member]	Dec. 31, 2013 National Healthcare Corporation [Member] properties	Dec. 31, 2013 Fundamental Long Term Care Holdings [Member] properties	Dec. 31, 2012 Fundamental Long Term Care Holdings [Member]	Dec. 31, 2011 Fundamental Long Term Care Holdings [Member]	Dec. 31, 2011 Two MOBs Sold [Member]	Dec. 31, 2013 Fundamental Long Term Care Holdings [Member] properties	Dec. 31, 2011 Fundamental Long Term Care Holdings [Member]	Apr. 30, 2013 Fundamental Long Term Care Holdings [Member] properties	Jan. 31, 2011 Fundamental Long Term Care Holdings [Member]	Dec. 31, 2011 Assets Held-for-sale [Member] Daytona, Florida ALF [Member]	Dec. 31, 2012 Assets Held-for-sale [Member] Sunrise Senior Living [Member]	Dec. 31, 2011 Assets Held-for-sale [Member] Sunrise Senior Living [Member]	Dec. 31, 2013 Assets Held-for-sale [Member] National Healthcare Corporation [Member]	Dec. 31, 2012 Assets Held-for-sale [Member] National Healthcare Corporation [Member]	Dec. 31, 2011 Assets Held-for-sale [Member] National Healthcare Corporation [Member]	Aug. 31, 2013 Assets Held-for-sale [Member] National Healthcare Corporation [Member] properties	Dec. 31, 2011 Assets Held-for-sale [Member] Two MOBs Sold [Member]	Feb. 28, 2011 Assets Held-for-sale [Member] Two MOBs Sold [Member] properties
Number of Real Estate Properties	157					42	2				3		2								6		2
Asset Sold, Selling Price											$ 18,500,000			$ 4,500,000
Carrying Value Of Assets Sold											17,068,000	4,039,000
Disposal Group, Including Discontinued Operation, Revenue				43,000	202,000		3,316,000	3,231,000	3,067,000	41,000						1,302,000	1,372,000	2,294,000	3,368,000	3,377,000
Expected Annual Rental Income	250,000
Real Estate, Assets Held For Sale, Sales Price																					21,000,000
Gain on sale of real estate	22,258,000	11,966,000	3,348,000												1,048,000			19,370,000				1,838,000
Lease Extension Period in Years	10 years 0 months 0 days					5 years 0 months 0 days
Asset Purchase Transaction Costs																		$ 19,000