Mortgage And Other Notes Receivable (Details) (USD $)	6 Months Ended						6 Months Ended							6 Months Ended
	Jun. 30, 2013 properties	Dec. 31, 2012	Jun. 30, 2013 SeniorTrust [Member]	Apr. 30, 2013 SeniorTrust [Member]	Apr. 30, 2013 Elder Trust [Member] properties	Apr. 26, 2013 Elder Trust [Member]	Jun. 30, 2013 National Healthcare Corporation [Member]	Jun. 30, 2013 Secured By Real Estate [Member]	Jun. 30, 2013 Not Secured By Real Estate [Member]	Jun. 30, 2013 Evaluated For Collectibility [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]	Jun. 30, 2013 Litigation Settled [Member] National Healthcare Corporation [Member]	Apr. 26, 2013 Litigation Settled [Member] National Healthcare Corporation [Member]
Mortgage and other notes receivable, net	$ 65,229,000	$ 84,250,000	$ 15,000,000					$ 48,729,000	$ 16,500,000
Number of health care properties related to mortgage notes receivables	19
Mortgage and Other Notes, Number of Loans										2
Mortgage Loans On Real Estate, Impairment	4,037,000
Allowance for Doubtful Accounts Receivable	0
Mortgage Loans On Real Estate, Litigation Settlement				15,000,000							15,000,000
Number of years in initial lease term															15
Initial Lease Amount															3,450,000
Percentage Rent Rate							0.04							0.04
Monthly Interest Income											83,000		82,000
Purchase Option, Lease Year															12
Purchase Option Amount															49,000,000
Number of Real Estate Properties	126				7							7
Significant Acquisition, Cost, Receivable Cancelled					13,741,000							13,741,000
Significant Acquisition, Cost, Cash						$ 23,350,000						$ 23,350,000