Brookdale Senior Living Inc. operates senior living communities in the United States. The Company operates independent, assisted living and dementia-care communities, and continuing care retirement centers (CCRCs). The Company has five operating segments: Retirement Centers; Assisted Living; CCRCs - Rental; Brookdale Ancillary Services, and Management Services. The Company’s Retirement Centers segment provides senior independent and assisted living services in its retirement center communities. The Company’s Assisted Living segment offers housing and assisted living services to mid-acuity frail and elderly residents. The Company’s CCRCs - Rental segment provides living arrangements and services for various types of health. The Brookdale Ancillary Services segment provides home health, therapy and other ancillary services, and education and wellness programs. The Management Services segment operates communities owned by third parties or by the Company’s unconsolidated ventures.