NOTES RECEIVABLE, PREFERRED EQUITY AND OTHER REAL ESTATE RELATED INVESTMENTS Schedule of Notes Receivable (Details) (USD $)	3 Months Ended						1 Months Ended																									3 Months Ended						1 Months Ended
	Mar. 31, 2014 loan	Mar. 31, 2013	Dec. 31, 2013	Mar. 31, 2014 Construction Loan, 7.0% Percent, Due 2015		Dec. 31, 2013 Construction Loan, 7.0% Percent, Due 2015	Jan. 31, 2014 First Mortgage Loan, 8% Loan Due 2013	Mar. 31, 2014 First Mortgage Loan, 8% Loan Due 2013		Dec. 31, 2013 First Mortgage Loan, 8% Loan Due 2013	Mar. 31, 2014 Mezzanine Loan, 10% Due 2013 loan borrower		Dec. 31, 2013 Mezzanine Loan, 10% Due 2013		Mar. 31, 2014 First Mortgage Loan, 11% Loan Due 2014		Dec. 31, 2013 First Mortgage Loan, 11% Loan Due 2014	Mar. 31, 2014 Zero Coupon Loan		Dec. 31, 2013 Zero Coupon Loan		Mar. 31, 2014 Mezzanine Loan, 15% Due 2020		Dec. 31, 2013 Mezzanine Loan, 15% Due 2020	Mar. 31, 2014 Mezzanine Loan Due With Capital Event		Dec. 31, 2013 Mezzanine Loan Due With Capital Event		Mar. 31, 2014 Preferred Equity, 8.1% Loan, Due 2017		Dec. 31, 2013 Preferred Equity, 8.1% Loan, Due 2017	Mar. 31, 2014 Individually Less Than 3 Percent, Variable Interest Rate Due 2014 to Capital Event loan	Dec. 31, 2013 Individually Less Than 3 Percent, Variable Interest Rate Due 2014 to Capital Event	Mar. 31, 2014 Individually Less Than 3 Percent, Variable Interest Rate Due 2014 to Capital Event Minimum		Mar. 31, 2014 Individually Less Than 3 Percent, Variable Interest Rate Due 2014 to Capital Event Maximum		Jan. 31, 2014 Mezzanine Loan
Mortgage Loans on Real Estate [Line Items]
Net carrying amount	$ 119,600,000
Effective interest rate				7.00%	[1]			8.00%	[1]		10.00%	[1],[2]			11.00%	[1]		24.00%	[1],[3]			15.00%	[1]		15.00%	[1],[4]			8.10%	[1]				11.00%	[1]	17.50%	[1]
Prior liens				0				0			89,566,000	[2]			0			166,200,000	[3]			0			17,298,000	[4]			0			20,855,000
Carrying amount of mortgages	119,639,000		126,656,000	12,000,000		12,000,000		0		6,400,000	9,089,000	[2]	9,089,000	[2]	42,000,000		42,000,000	4,570,000	[3]	4,431,000	[3]	30,879,000		30,879,000	3,834,000	[4]	3,834,000	[4]	13,000,000		13,000,000	4,267,000	5,023,000					3,500,000
Number of cross collateralized loans											3
Number of borrowers											1
Number of loans																																3
Number of non-performing loans	5																															1
Face amount of mortgages																																3,000,000
Face amount of mortgages, reserved																																2,000,000
Proceeds from notes receivable	7,156,000	5,529,000					6,400,000																															1,400,000
Mortgage loans on real estate, collections of principal																																						700,000
Income related to the payoff of notes receivable																																						700,000
Mortgage loans on real estate, nonperforming loans, amount	15,900,000
Financing receivable, allowance for credit losses	$ 1,993,000		$ 3,681,000

[1] The effective interest rate includes origination and exit fees

[2] Comprised of three cross-collateralized loans from one borrower, which are non-performing

[3] The principal balance for this accrual only loan is increased by the interest accrued

[4] Non-performing loan