MORTGAGE INVESTMENTS, LOAN PARTICIPATIONS AND LOAN SALES (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016
Movement in Mortgage Loans On Real Estate Principal Amount [Roll Forward]
Principal Outstanding, Beginning Balances		$ 23,592
Principal Outstanding, Additions:
Principal Outstanding, Accrued interest revenue		0
Principal Outstanding, Reductions:
Principal Outstanding, Mortgage loan payoffs		(7,843)
Principal Outstanding, Sale of mortgage loans	$ (11,000)	(3,148)	$ (27,400)
Principal Outstanding, Ending Balances		12,601
Movement in Mortgage Loans On Real Estate Interest Receivable [Roll Forward]
Interest Receivable, Beginning Balances		447
Interest Receivable, Additions:
Interest Receivable, Accrued interest revenue		257
Interest Receivable, Reductions:
Interest Receivable, Mortgage loan payoffs		(114)
Interest Receivable, Sale of mortgage loans		(139)
Interest Receivable, Ending Balances		451
Movement in Allowance for Loan and Lease Losses, Real Estate [Roll Forward]
Valuation Allowance, Begining Balances		(12,892)
Valuation Allowance, Additions:
Valuation Allowance, Principal and interest repayments		0
Valuation Allowance, Reductions:
Valuation Allowance, Mortgage loan payoffs		210
Valuation Allowance, Sale of mortgage loans		0
Valuation Allowance, Ending Balances		(12,682)
Movement in Mortgage Loans on Real Estate [Roll Forward]
Carrying Value, Beginning balance		11,147
Carrying Value, Additions:
Carrying Value, Accrued interest revenue		257
Carrying Value, Reductions:
Carrying Value, Mortgage loan payoffs		(7,747)	$ 300
Carrying Value, Sale of mortgage loans		(3,287)
Net carrying value		$ 11,147		$ 370