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Description of Business	6 Months Ended
Description of Business	Jun. 30, 2012
Description of Business [Abstract]
Description of Business	1. Description of Business Brookdale Senior Living Inc. ("Brookdale" or the "Company") is a leading owner and operator of senior living communities throughout the United States. The Company provides an exceptional living experience through properties that are designed, purpose-built and operated to provide the highest quality service, care and living accommodations for residents. The Company owns, leases and operates retirement centers, assisted living and dementia-care communities and continuing care retirement centers ("CCRCs"). Through its Innovative Senior Care ("ISC") program, the Company also offers a range of outpatient therapy, home health and hospice services, primarily to residents of its communities.