Brookdale Senior Living Inc. is engaged in the operation of senior living communities in the United States. The Company has five segments: Retirement Centers; Assisted Living; CCRCs-Rental; Brookdale Ancillary Services, and Management Services. Its Retirement Centers segment includes owned or leased communities that are designed for middle to upper income seniors. Its Assisted Living segment includes owned or leased communities that offer housing and around the clock assistance with activities of daily life to mid-acuity frail and elderly residents. Its CCRCs-Rental segment includes owned or leased communities that offer a range of living arrangements and services to accommodate all levels of physical ability and health. Its Brookdale Ancillary Services segment includes the outpatient therapy, home health and hospice services. The Company's Management Services segment includes communities operated by the Company pursuant to management agreements.