Description of Business (Details)	Dec. 31, 2011 province state property
Description of Business
Number of real estate properties	1,378
Number of properties leased	929
Number of states	46
Number of Canadian provinces	2
KINDRED
Description of Business
Number of properties leased	198
Brookdale Senior Living
Description of Business
Number of properties leased	167
Seniors housing communities
Description of Business
Number of real estate properties	678
Number of independent third party managed properties	200
Skilled nursing facilities
Description of Business
Number of real estate properties	396
Hospitals
Description of Business
Number of real estate properties	47
Medical office buildings
Description of Business
Number of real estate properties	249
Personal care facilities
Description of Business
Number of real estate properties	8
Development projects
Description of Business
Number of real estate properties	3