Real Estate And Accumulated Depreciation (Schedule Of Real Estate Investments And Accumulated Depreciation) (Details) (USD $) In Thousands, unless otherwise specified							12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010		Dec. 31, 2009		Dec. 31, 2008	Dec. 31, 2011 Thornton, CO [Member] years	Dec. 31, 2011 New Bedford, MA [Member] years	Dec. 31, 2011 Covington, LA [Member] years	Dec. 31, 2011 Denham Springs, LA [Member] years	Dec. 31, 2011 Redding, CA [Member] years	Dec. 31, 2011 Bloomington, IN [Member] years	Dec. 31, 2011 Dallas, TX [Member] years	Dec. 31, 2011 Huntington Beach, CA [Member] years	Dec. 31, 2011 La Palma, CA [Member] years	Dec. 31, 2011 Anaheim, CA [Member] years	Dec. 31, 2011 Luling, TX [Member] years	Dec. 31, 2011 San Antonio, TX [Member] years	Dec. 31, 2011 Victoria, TX [Member] years	Dec. 31, 2011 Houston, TX [Member] years	Dec. 31, 2011 Bensalem, PA [Member] years	Dec. 31, 2011 Portland, OR [Member] years	Dec. 31, 2011 San Diego, CA [Member] years	Dec. 31, 2011 Redding, CA [Member] years	Dec. 31, 2011 Houston, TX [Member] years	Dec. 31, 2011 Bennettsville, SC [Member] years	Dec. 31, 2011 Bossier City, LA [Member] years	Dec. 31, 2011 Bristol, CT [Member] years	Dec. 31, 2011 Cheraw, SC [Member] years	Dec. 31, 2011 Detroit, MI [Member] years	Dec. 31, 2011 Enfield, CT [Member] years	Dec. 31, 2011 Fayetteville, AR [Member] years	Dec. 31, 2011 Fort Lauderdale, FL [Member] years	Dec. 31, 2011 Garden Grove, CA [Member] years	Dec. 31, 2011 Garden Grove, CA [Member] years	Dec. 31, 2011 Idaho Falls, ID [Member] years	Dec. 31, 2011 Newington, CT [Member] years	Dec. 31, 2011 Petersburg, VA [Member] years	Dec. 31, 2011 West Valley City, UT [Member] years	Dec. 31, 2011 Poplar Bluff, MO [Member] years	Dec. 31, 2011 East Providence, RI [Member] years	Dec. 31, 2011 San Dimas, CA [Member] years	Dec. 31, 2011 San Dimas, CA [Member] years	Dec. 31, 2011 West Springfield, MA [Member] years	Dec. 31, 2011 Tucson, AZ [Member] years	Dec. 31, 2011 Warwick, RI [Member] years	Dec. 31, 2011 Webster, TX [Member] years	Dec. 31, 2011 Wichita, KS [Member] years	Dec. 31, 2011 Addison, TX [Member] years	Dec. 31, 2011 Shenandoah, TX [Member] years	Dec. 31, 2011 Richardson, TX [Member] years	Dec. 31, 2011 Hill County, TX [Member] years	Dec. 31, 2011 Webster, TX [Member] years	Dec. 31, 2011 Tomball, TX [Member] years	Dec. 31, 2011 Gilbert, AZ [Member] years	Dec. 31, 2011 Corinth, TX [Member] years	Dec. 31, 2011 Bayonne, NJ [Member] years	Dec. 31, 2011 San Diego, CA [Member] years	Dec. 31, 2011 Northland, MO [Member] years	Dec. 31, 2011 DeSoto, TX [Member] years	Dec. 31, 2011 New Braunfels, TX [Member] years	Dec. 31, 2011 Hoboken, NJ [Member] years
Real Estate and Accumulated Depreciation [Line Items]
Type of Property							Long term acutecare hospital	Long term acutecare hospital	Long term acutecare hospital	Long term acutecare hospital	Long term acutecare hospital	Acute caregeneral hospital	Long term acutecare hospital	Acute caregeneral hospital	Acute caregeneral hospital	Acute caregeneral hospital	Long term acutecare hospital	Rehabilitationhospital	Long term acutecare hospital	Acute caregeneral hospital	Acute caregeneral hospital	Long term acutecare hospital	Acute caregeneral hospital	Acute caregeneral hospital	Acute caregeneral hospital	Acute caregeneral hospital	Long term acutecare hospital	WellnessCenter	Acute caregeneral hospital	Long term acutecare hospital	WellnessCenter	Rehabilitationhospital	Rehabilitationhospital	Acute caregeneral hospital	Medical OfficeBuilding	Acute caregeneral hospital	WellnessCenter	Rehabilitationhospital	Acute caregeneral hospital	Acute caregeneral hospital	WellnessCenter	Acute caregeneral hospital	Medical OfficeBuilding	WellnessCenter	Long term acutecare hospital	WellnessCenter	Long term acutecare hospital	Rehabilitationhospital	Rehabilitationhospital	Rehabilitationhospital	Rehabilitationhospital	Acute caregeneral hospital	Long term acutecare hospital	Long term acutecare hospital	General AcuteCare	LTACH	General AcuteCare	General AcuteCare	LTACH	LTACH	LTACH	General AcuteCare
Initial Costs, Land	$ 108,672						$ 2,130	$ 1,400	$ 821	$ 429		$ 2,457	$ 1,000	$ 937	$ 937	$ 1,875	$ 811		$ 625	$ 4,757	$ 6,911	$ 3,085	$ 6,550	$ 1,555	$ 3,501	$ 794	$ 900	$ 485	$ 657	$ 1,220	$ 384	$ 909	$ 3,499	$ 5,502	$ 862	$ 1,822	$ 270	$ 1,302	$ 5,516	$ 2,659	$ 209	$ 6,160	$ 1,915	$ 583	$ 920	$ 1,265	$ 988	$ 1,019	$ 2,013	$ 2,033	$ 2,219	$ 1,120	$ 663	$ 1,298	$ 150	$ 501	$ 2,003	$ 12,663	$ 834	$ 1,067	$ 1,100	$ 1,387
Initial Costs, Buildings	1,073,599						6,013	19,772	10,238	5,340	19,952	31,209	13,589	10,907	10,907	21,814	9,345	10,198	7,197	56,238	38,185	17,859	15,653	53,863	34,530	15,772	17,818	2,267	19,576	8,687	2,257	18,332	21,939	10,748	7,888	37,467	1,615	9,121	58,314	38,694	1,265	6,839	5,085	3,185	6,078	759	10,432	18,373	22,531	21,943	17,419	17,882	33,751	23,982	15,553	21,175	51,495	52,431	17,182	10,701	7,883	44,351
Additions Subsequent to Acquisition, Improvements	2,493						2,237	256
Additions Subsequent to Acquisition, Carrying Costs	6,332								14	(515)	4,361	408	368	3	3	10				1,259	(353)	2,559	77	13	(6,308)					(365)			1	51	28	4,665						34	18					1
Land at Cost	111,309						2,130	1,400	821	429	1,629	2,576	1,421	937	937	1,875	811		625	5,464	6,911	3,071	6,550	1,555	3,274	794	900	485	657	1,220	384	909	3,499	5,502	862	1,822	270	1,302	5,516	2,660	209	6,160	1,915	583	920	1,265	988	1,019	2,013	2,033	2,219	1,120	663	1,298	150	501	2,003	12,663	834	1,067	1,100	1,388
Buildings at Cost	1,079,787						8,250	20,028	10,252	4,825	22,684	31,498	13,536	10,910	10,910	21,824	9,345	10,198	7,197	56,790	37,832	20,432	15,730	53,876	28,449	15,772	17,818	2,267	19,576	8,322	2,257	18,332	21,940	10,799	7,916	42,132	1,615	9,121	58,314	38,694	1,265	6,873	5,103	3,185	6,078	759	10,433	18,374	22,531	21,943	17,419	17,882	33,751	23,982	15,553	21,175	51,495	52,431	17,182	10,700	7,882	44,350
Total at Cost	1,191,096	990,635	[1]	934,601	[1]	943,700	10,380	21,428	11,073	5,254	24,313	34,074	14,957	11,847	11,847	23,699	10,156	10,198	7,822	62,254	44,743	23,503	22,280	55,431	31,723	16,566	18,718	2,752	20,233	9,542	2,641	19,241	25,439	16,301	8,778	43,954	1,885	10,423	63,830	41,354	1,474	13,033	7,018	3,768	6,998	2,024	11,421	19,393	24,544	23,976	19,638	19,002	34,414	25,280	15,703	21,676	53,498	65,094	18,016	11,767	8,982	45,738
Accumulated depreciation	$ 93,430	$ 64,946					$ 1,276	$ 3,660	$ 1,687	$ 1,014	$ 3,487	$ 4,223	$ 1,804	$ 1,409	$ 1,409	$ 2,819	$ 1,188	$ 1,296	$ 915	$ 7,163	$ 4,647	$ 2,329	$ 1,833	$ 5,959	$ 2,996	$ 1,480	$ 1,668	$ 635	$ 1,835	$ 831	$ 632	$ 1,604	$ 2,015	$ 844	$ 611	$ 3,798	$ 455	$ 798	$ 5,356	$ 3,553	$ 356	$ 530	$ 394	$ 897	$ 570	$ 213	$ 978	$ 1,721	$ 845	$ 823	$ 653	$ 1,498	$ 844	$ 600	$ 389	$ 485	$ 2,360	$ 1,202	$ 394	$ 111	$ 49	$ 289
Date of Construction							1962	1942	1984	1960	1991	2006	2006	1965	1971	1964	2002	1987	1998	2006	2006	1964	1964	1974	1960	1984	1982	1975	1982	1956	1974	1991	1985	1982	1982	2002	1979	2006	1980	1980	1979	1972	1979	1976	1987	1979	1986	1992	2008	2008	2008	1980	2004	2005	2005	2008	1918	1973	2007	2008	2007	1863
Date Acquired							August 17, 2004	August 17, 2004	June 9, 2005	June 9, 2005	June 30, 2005	August 8, 2006	September 5, 2006	November 8, 2006	November 8, 2006	November 8, 2006	December 1, 2006	December 1, 2006	December 1, 2006	December 1, 2006	March 19, 2007	April 18, 2007	May 9, 2007	August 10, 2007	August 10, 2007	April 1, 2008	April 1, 2008	April 22, 2008	April 1, 2008	May 22, 2008	April 22, 2008	July 14, 2008	April 22, 2008	November 25, 2008	November 25, 2008	April 1, 2008	April 22, 2008	July 1, 2008	April 22, 2008	April 22, 2008	April 22, 2008	November 25, 2008	November 25, 2008	April 22, 2008	April 1, 2008	April 22, 2008	April 1, 2008	April 4, 2008	June 17, 2010	June 17, 2010	June 17, 2010	September 17, 2010	December 21, 2010	December 21, 2010	January 4, 2011	January 31, 2011	February 4, 2011	February 9, 2011	February 14, 2011	July 18, 2011	September 30, 2011	November 4, 2011
Life on which depreciation in latest income statements is computed (Years)							40	40	13	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	10	40	40	10	40	40	40	40	40	10	40	40	40	10	40	40	10	40	10	40	40	40	40	40	40	40	40	40	40	20	40	40	40	40	20

[1] Includes real-estate cost included in real estate held for sale of $40,460 and $113,151 for 2010 and 2009, respectively. Excludes intangible lease assets that are included in real estate held for sale of $1,361 and $25,848 for 2010 and 2009, respectively.