Concentration of Credit Risk (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Future contracted minimum rentals leases
2013	$ 1,122,399
2014	1,083,803
2015	961,271
2016	866,838
2017	812,773
Thereafter	4,351,271
Total	9,198,355
KINDRED
Future contracted minimum rentals leases
2013	229,845
2014	219,255
2015	127,200
2016	81,641
2017	83,786
Thereafter	258,226
Total	999,953
BROOKDALE SENIOR LIVING
Future contracted minimum rentals leases
2013	153,919
2014	144,493
2015	135,822
2016	134,072
2017	134,072
Thereafter	296,265
Total	998,643
Other
Future contracted minimum rentals leases
2013	738,635
2014	720,055
2015	698,249
2016	651,125
2017	594,915
Thereafter	3,796,780
Total	$ 7,199,759

Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6454179&loc=d3e41551-112718

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 23

-Subparagraph b(ii)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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