Real Estate And Lending Activities (Narrative) (Details) (USD $)	3 Months Ended			9 Months Ended			3 Months Ended	9 Months Ended							9 Months Ended		3 Months Ended	9 Months Ended		1 Months Ended		9 Months Ended			3 Months Ended				9 Months Ended		3 Months Ended		9 Months Ended			3 Months Ended	9 Months Ended
	Sep. 30, 2011	Jun. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Nov. 04, 2011	Sep. 30, 2011 Business Acquisitions [Member]	Sep. 30, 2011 Business Acquisitions [Member]	Sep. 30, 2011 Business Acquisitions [Member] Gilbert Hospital [Member] years	Sep. 30, 2011 Business Acquisitions [Member] Atrium Medical Center [Member]	Sep. 30, 2011 Business Acquisitions [Member] Bayonne Medical Center [Member]	Sep. 30, 2011 Business Acquisitions [Member] Alvarado Hospital [Member]	Sep. 30, 2011 Business Acquisitions [Member] Northland LTACH Hospital [Member]	Sep. 30, 2011 Business Acquisitions [Member] Vibra Specialty Hospital [Member]	Sep. 30, 2011 Business Acquisitions [Member] Vibra Health Care [Member]	Sep. 30, 2011 Business Acquisitions [Member] Acute Care Facility [Member]	Sep. 30, 2010 Business Acquisitions [Member] Rehabilitation Hospitals [Member]	Sep. 30, 2010 Business Acquisitions [Member] Rehabilitation Hospitals [Member]	Sep. 30, 2011 Business Acquisitions [Member] Rehabilitation Hospitals [Member]	Apr. 30, 2010 Business Disposals [Member] Centinela Hospital [Member]	Sep. 30, 2011 Business Disposals [Member] Centinela Hospital [Member]	Sep. 30, 2011 Leasing Operations [Member] Covington [Member]	Sep. 30, 2010 Inpatient Rehabilitation Hospitals [Member]	Sep. 30, 2011 Vibra Specialty Hospital [Member]	Sep. 30, 2011 Prime Health Care Services [Member]	Jun. 30, 2011 Prime Health Care Services [Member]	Sep. 30, 2010 Prime Health Care Services [Member]	Jun. 30, 2010 Prime Health Care Services [Member]	Sep. 30, 2011 Prime Health Care Services [Member]	Sep. 30, 2010 Prime Health Care Services [Member]	Sep. 30, 2011 Vibra Health Care [Member]	Sep. 30, 2010 Vibra Health Care [Member]	Sep. 30, 2011 Vibra Health Care [Member]	Sep. 30, 2010 Vibra Health Care [Member]	Sep. 30, 2011 Acute Care Facility [Member]	Mar. 31, 2010 Monroe Hospital [Member]	Sep. 30, 2011 Monroe Hospital [Member]	Sep. 30, 2011 Denham Springs Facility [Member]
Real Estate And Lending Activities [Line Items]
Number of business acquisitions in period								7
Date acquired									January 4, 2011	January 31, 2011	February 4, 2011	February 9, 2011	February 14, 2011										June 17, 2010	July 18, 2011											September 30, 2011
Date disposed																					April 2010
Number of beds acquired									19	60	278	306	35							369				40											40
Term of lease, years											15	10										15						10
Number of lease extension options in current lease contract											6											3
Term of lease extension, years											5			15		15			10			5
Equity investments																								$ 2,500,000											$ 1,400,000
Rate of increase in annual rent																						2.00%
Age of real estate acquired									4
Purchase price of real estate	211,104,000		73,851,000	211,104,000	73,851,000				17,100,000	23,500,000	58,000,000	70,000,000	19,500,000	13,000,000		10,000,000																						4,400,000
Selling price of real estate																				75,000,000
Gain on sale of real estate				5,000	7,693,000															6,000,000
Billed rent	1,500,000			1,500,000
Unbilled rent	200,000			200,000
Promissory note	700,000			700,000
Other receivables due from tenant	100,000			100,000
Impairment charges against real estate		600,000
Payments received from the tenant	200,000
Revenue contributed by the acquired entity							5,500,000	14,000,000									1,900,000	2,200,000				1,400,000															14,600,000
Income contributed by the acquired entity	446,000		11,551,000	17,161,000	12,710,000		3,700,000	9,100,000									1,400,000	1,700,000
Date of construction										2009			April 2008
Lease expiration date				March 2010					May 2022	June 2024			2028					2033
Aggregate purchase price					74,000,000
Existing mortgage loan	16,000,000			16,000,000									16,000,000
Mortgage loan maturity date				Jan. 01, 2018
Payments to acquire equity method investments															1,300,000
Ownership interest in equity	99.90%			99.90%		100.00%	51.00%	51.00%							19.00%									25.00%											25.00%
Retained ownership in operating entity								49.00%
Working capital loan to the joint venture								5,200,000								2,000,000
Acquisition related costs							500,000	3,200,000									400,000	1,300,000
Advanced amount of working capital loan agreement						600,000																															28,800,000
Interest receivable																																					5,500,000
Impairment of working capital loan recognized																																				12,000,000
Valuation allowance for rent																																					2,500,000
Impairment of working capital loan estimation-cash balance considered for first priority secured interest																																					4,000,000
Impairment of working capital loan estimation-membership interest of operator/lessee considered for first priority secured interest																																					100.00%
Net investment to maximum exposure																																					31,400,000
Impairment of working capital loan estimation-patient receivables considered for first priority secured interest																																					7,000,000
Gain resulted in exchange of real estate property					1,300,000
Straight line rent receivables write off					200,000
Additional rent received from lease agreement																												12,000,000
Estimated future rent amount expected from lease agreement																												20,000,000
Income expected to recognize from remaining lease period																										8,500,000			3,500,000
Percentage of entity revenue from affiliates																									30.90%		33.80%		31.10%	33.40%	12.40%	15.40%	12.60%	14.70%
Date of loan repayment																													April 2010
Repayment of loans and accrued interest from affiliates																													$ 40,000,000