PROPERTIES - Leased Property (Narrative) (Detail)	12 Months Ended
	Dec. 31, 2012
Leased Properties [Line Items]
Number of leased real estate properties	478
Property available for operating lease | Minimum
Leased Properties [Line Items]
Lease term	5 years
Property available for operating lease | Maximum
Leased Properties [Line Items]
Lease term	15 years
SNF's
Leased Properties [Line Items]
Number of leased real estate properties	418
ALFs
Leased Properties [Line Items]
Number of leased real estate properties	16
Specialty facilities
Leased Properties [Line Items]
Number of leased real estate properties	11