MORTGAGE INVESTMENTS, LOAN PARTICIPATIONS AND LOAN SALES (Details Textual) $ in Thousands	3 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) Loan	Sep. 30, 2015 USD ($) Loan	Dec. 31, 2015 USD ($) Loan
Mortgage Loans on Real Estate [Line Items]
Number of loans paid off (in loans) | Loan		2	1
Number of mortgage loans sold (in loans) | Loan		1	4
Mortgage loan payoffs		$ (7,747)	$ 300
Sale of mortgage loans	$ 11,000	$ 3,148	27,400
Number of loans (in loans) | Loan		3		6
Sale of mortgage loans		$ 3,287
Net loss on sale of mortgage loans		(100)	(100)
Proceeds from Mortgage Payoffs		7,632
Mortgage Loan Repayments			$ 320
Mortgage Loans Held- for-sale, Payoff Discount		$ 200
Mortgage Loans on Real Estate [Member] | Minimum [Member]
Mortgage Loans on Real Estate [Line Items]
Extension term (in years)		2 years
Performing Financing Receivable [Member]
Mortgage Loans on Real Estate [Line Items]
Average balance of mortgage loans		$ 400		$ 2,800
Number of performing loans (in loans) | Loan		1		4
Weighted average interest rate of mortgage loans (percentage)		11.00%		10.50%
Percentage of valuation allowance on loans receivable (percentage)		97.20%		53.60%
Mortgage Receivable [Member]
Mortgage Loans on Real Estate [Line Items]
Average balance of mortgage loans		$ 4,300		$ 3,900
Loans Fully Reserved [Member]
Mortgage Loans on Real Estate [Line Items]
Number of loans (in loans) | Loan		2		2
Sale of mortgage loans		$ 0		$ 0
Loans In Default [Member]
Mortgage Loans on Real Estate [Line Items]
Outstanding principal amount		$ 12,300		$ 12,300
Number of mortgage loans in default (in Loans) | Loan		2		2
Outstanding interest amount		$ 400		$ 400