SCHEDULE IV MORTGAGE LOANS ON REAL ESTATE (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 item property
Mortgage loans on real estate
Number of properties	26
Number of beds/units	2,245
Balloon Amount	$ 26,904
Current Monthly Debt Service	483
Face Amount of Mortgages	50,384
Carrying Amount of Mortgages	39,299
Amortization period of mortgage loans	25 years
FL | Final maturity date in 2014
Mortgage loans on real estate
Number of properties	3
Number of beds/units	269
Interest Rate (as a percent)	11.80%
Balloon Amount	6,061
Current Monthly Debt Service	71
Face Amount of Mortgages	6,850
Carrying Amount of Mortgages	6,278
TX | Final maturity date in 2018
Mortgage loans on real estate
Number of properties	6
Number of beds/units	100
Interest Rate (as a percent)	10.10%
Balloon Amount	5,095
Current Monthly Debt Service	66
Face Amount of Mortgages	6,800
Carrying Amount of Mortgages	6,231
TX | Final maturity date in 2017
Mortgage loans on real estate
Number of properties	1
Number of beds/units	222
Interest Rate (as a percent)	10.50%
Balloon Amount	2,972
Current Monthly Debt Service	40
Face Amount of Mortgages	4,000
Carrying Amount of Mortgages	3,586
TX | Final maturity date in 2017, first
Mortgage loans on real estate
Number of properties	1
Number of beds/units	117
Interest Rate (as a percent)	10.50%
Balloon Amount	1,634
Current Monthly Debt Service	22
Face Amount of Mortgages	2,200
Carrying Amount of Mortgages	1,973
PA | Final maturity date in 2014
Mortgage loans on real estate
Number of properties	1
Number of beds/units	70
Interest Rate (as a percent)	7.00%
Balloon Amount	5,100
Current Monthly Debt Service	30
Face Amount of Mortgages	5,100
Carrying Amount of Mortgages	5,100
MO | Final maturity date in 2018
Mortgage loans on real estate
Number of properties	1
Number of beds/units	100
Interest Rate (as a percent)	11.10%
Balloon Amount	1,869
Current Monthly Debt Service	40
Face Amount of Mortgages	1,500
Carrying Amount of Mortgages	2,877
CA | Final maturity date in 2015
Mortgage loans on real estate
Number of properties	1
Number of beds/units	173
Interest Rate (as a percent)	11.38%
Balloon Amount	2,232
Current Monthly Debt Service	48
Face Amount of Mortgages	4,700
Carrying Amount of Mortgages	2,862
WI | Final maturity date in 2022
Mortgage loans on real estate
Number of properties	1
Number of beds/units	106
Interest Rate (as a percent)	9.17%
Current Monthly Debt Service	20
Face Amount of Mortgages	2,619
Carrying Amount of Mortgages	2,619
UT | Final maturity date in 2019
Mortgage loans on real estate
Number of properties	1
Number of beds/units	84
Interest Rate (as a percent)	10.45%
Balloon Amount	1,006
Current Monthly Debt Service	14
Face Amount of Mortgages	1,400
Carrying Amount of Mortgages	1,302
Various | Final maturity dates between 2014-2018
Mortgage loans on real estate
Number of properties	10
Number of beds/units	1,004
Interest Rate, low end of range (as a percent)	10.63%
Interest Rate, high end of range (as a percent)	13.50%
Balloon Amount	935
Current Monthly Debt Service	132
Face Amount of Mortgages	15,215
Carrying Amount of Mortgages	$ 6,471