Basis of Presentation - Additional Information (Detail) - Jun. 30, 2015	Community Independent_Living_Unit State Resident
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Senior living communities operated by company	118
Number of states in which senior living communities operated | State	24
Aggregate capacity of residents in company operated senior living communities | Resident	15,100
Senior living communities owned by company	68
Senior living communities on lease by company	50
Number of home care agency | Independent_Living_Unit	1