Commitments And Contingencies (Details) (USD $)						6 Months Ended											6 Months Ended		6 Months Ended			6 Months Ended
	Jun. 30, 2013 properties	Jun. 30, 2012	Apr. 30, 2013 Fundamental Long Term Care Holdings [Member] properties	Apr. 18, 2013 Fundamental Long Term Care Holdings [Member]	Oct. 31, 2011 Acquisition Legend Healthcare [Member] properties	Jun. 30, 2013 Acquisition Helix Healthcare [Member]	Mar. 31, 2010 Acquisition Helix Healthcare [Member]	Jun. 30, 2013 Bickford Commitment [Member] properties	Jun. 30, 2013 Kentucky River Commitment [Member]	Jun. 30, 2012 Kentucky River Commitment [Member]	Oct. 31, 2011 Contingent Payment [Member] Acquisition Legend Healthcare [Member]	Jun. 30, 2013 Sante Partners Commitment [Member]	Jun. 30, 2013 Construction Loans [Member] beds_or_units	Apr. 30, 2013 SeniorTrust [Member]	Apr. 30, 2013 Elder Trust [Member] properties	Apr. 26, 2013 Elder Trust [Member]	Jun. 30, 2013 Bickford Senior Living [Member] properties	Jun. 28, 2013 Bickford Senior Living [Member] properties	Jun. 30, 2013 Kentucky River [Member]	Jun. 30, 2012 Kentucky River [Member]	Jun. 30, 2013 Legend Healthcare [Member]	Jun. 30, 2013 Sante Partners [Member]	Apr. 30, 2013 Litigation Settled [Member] SeniorTrust [Member]	Apr. 30, 2013 Litigation Settled [Member] Elder Trust [Member] properties	Apr. 26, 2013 Litigation Settled [Member] Elder Trust [Member]
Number of Real Estate Properties To Be Constructed								3
Maximum Commitment For All Active Development Projects								$ 27,000,000									$ 27,000,000
Construction and Development Costs																	7,921,000		1,844,000			1,980,000
Lease Extension Period in Years		10		5
Significant development and lease transactions										8,000,000
Construction Commitment Period in Years									2
Lease Renewal Period In Years																				5
Number of Real Estate Properties	126		2		4										7		27	17						7
Business Acquisition, Cost of Acquired Entity, Purchase Price				26,150,000
Significant Acquisition, Cost, Receivable Cancelled															13,741,000									13,741,000
Significant Acquisition, Cost, Cash																23,350,000								23,350,000
Number of years in initial lease term				10
Initial Lease Amount																	18,836,000	7,750,000
Significant acquisitions and disposals, acquisition costs or sale proceeds					55,278,000		12,500,000				5,478,000
Business Acquisition, Contingent Consideration, Potential Cash Payment				1,600,000																	3,256,000
Supplemental Construction Loan Commitment Draw													2,000,000
Construction of transitional rehabilitation center, number of beds													70
Capital improvements commitment												3,500,000
Conditional future payments related to purchase/leaseback transaction						1,000,000
Monthly Interest Income																							83,000		82,000
Mortgage Loans On Real Estate, Litigation Settlement														$ 15,000,000									$ 15,000,000