FAIR VALUE (Details) - USD ($)		3 Months Ended			9 Months Ended
	Feb. 09, 2018	Sep. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	May 31, 2018	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of Real Estate Owned		$ 0		$ 344,000	$ 0	$ 344,000
Issuance of common stock warrants, net of cost accretion					581,000
Expected stock price volatility			40.00%
Risk-free interest rate			2.26%
Expected life of warrants (in years)			3 years
Expected dividend yield			0.00%
Common Stock value discount for lack of marketability			25.00%
Recovery of credit losses		0		$ 6,070,000	175,000	$ 6,408,000
Impairment losses on loan portfolio		0			300,000
Valuation allowance		$ 13,100,000			$ 13,100,000			$ 12,700,000
Mortgage Receivable [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Valuation allowance								$ 12,700,000
Loans receivable valuation allowance (percentage)		37.10%			37.10%			39.20%
JPMorgan Chase Funding Inc. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	600,000
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 2.25
Class of Warrant or Right, Period	2 years
Series B-3 Cumulative Convertible Preferred Stock [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated Fair Value per Share			$ 4.12
Series B-3 Cumulative Convertible Preferred Stock [Member] | JPMorgan Chase Funding Inc. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Redeemable Convertible Preferred Stock, shares issued	2,352,941
Series A Preferred Stock [Member] | JPMorgan Chase Funding Inc. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Redeemable Convertible Preferred Stock, shares issued							22,000
Estimated Fair Value per Share			1,000
Preferred Stock, Value, Subscriptions							$ 22,000,000
JPM Warrants [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated Fair Value per Share			$ 1.52
Series B Preferred Stock [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants Not Settleable in Cash, Fair Value Disclosure			$ 900,000
Series B Preferred Stock [Member] | JPMorgan Chase Funding Inc. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Preferred Stock, Value, Subscriptions	$ 8,000,000
Paid-In Capital [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Issuance of common stock warrants, net of cost accretion			$ 700,000		$ 581,000