MORTGAGE NOTES RECEIVABLE - 2011 Mortgage Note Activity (Narrative) (Detail 1) (USD $) In Thousands, unless otherwise specified						0 Months Ended		1 Months Ended		1 Months Ended
	Dec. 31, 2012 Property		Dec. 31, 2011		Dec. 31, 2012 SNF's Property	Nov. 14, 2011 2011 Mortgage Note Activity $92.0 Million Mortgage Note due 2021 First Mortgage Michigan	Nov. 14, 2011 2011 Mortgage Note Activity $92.0 Million Mortgage Note due 2021 First Mortgage SNF's Michigan Bed Property	Oct. 31, 2011 2011 Mortgage Note Activity Four Mortgage Notes due 2046 First Mortgage Maryland	Oct. 31, 2011 2011 Mortgage Note Activity Four Mortgage Notes due 2046 First Mortgage SNF's Maryland Property Bed	Jul. 18, 2011 2011 Mortgage Note Activity Mortgage Note due 2013 First Mortgage Texas	Jul. 18, 2011 2011 Mortgage Note Activity Mortgage Note due 2013 First Mortgage SNF's Texas Property
Mortgage Loans on Real Estate [Line Items]
Mortgage notes receivable	$ 238,621	[1]	$ 238,675	[1]		$ 92,000		$ 25,000		$ 5,000
Fixed annual interest rate						12.50%		12.00%		10.00%
Number of operating beds							1,421		352
Mortgage loan term in years						10 years
Mortgage loans on real estate for first three years interest rate						11.00%
Mortgage loans on real estate for four five and six year interest rate						11.75%
Mortgage loans on real estate for seven year interest rate								13.50%
Number of facilities owned	478				418		13		3		1

[1] As of December 31, 2011 and 2012 we have no allowance for loan loss for any of our mortgages.