INVESTMENTS (Details Textual)	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) partnership	Sep. 30, 2016 USD ($)	Dec. 31, 2016 USD ($) partnership
Schedule of Equity Method Investments [Line Items]
Decrease in investment in unconsolidated entities due to consolidation of VIE’s				$ 4,000,000	$ 0
Decrease in mortgage loans				400,000	0
Decrease in other receivables				2,400,000	0
Increase in other real estate owned				17,800,000	0
Increase in other assets				1,100,000	0
Increase in liabilities				200,000	0
Increase in non-controlling interest				6,509,000	0
Recovery of credit losses		$ (6,070,000)	$ (129,000)	(6,408,000)	(249,000)
Notes payable		14,787,000		14,787,000		$ 14,046,000
Maximum loss exposure		19,700,000		19,700,000
Equity method loss from unconsolidated entities, net		(68,000)	$ (48,000)	(239,000)	$ (238,000)
Investment in Unconsolidated Entities		0		$ 0		$ 6,522,000
Unconsolidated Partnerships [Member]
Schedule of Equity Method Investments [Line Items]
Number of partnerships | partnership				5		5
Advances to partnerships		1,100,000		$ 800,000		$ 700,000
Debt amount		1,000,000		1,000,000
Notes payable		1,300,000		1,300,000
Notes receivable		$ 1,200,000		$ 1,200,000
Effective rate (percentage)		6.25%		6.25%
Minimum [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage		3.80%		3.80%
Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage		100.00%		100.00%
Maximum [Member] | Unconsolidated Partnerships [Member]
Schedule of Equity Method Investments [Line Items]
Debt amount		$ 5,000,000		$ 5,000,000
Variable Interest Entity | Lakeside JV [Member]
Schedule of Equity Method Investments [Line Items]
Consideration transferred	$ 700,000
Advances to partnerships		$ 700,000
Variable Interest Entity Consolidated
Schedule of Equity Method Investments [Line Items]
Increase in non-controlling interest				$ 3,200,000
Prime Rate [Member] | Minimum [Member]
Schedule of Equity Method Investments [Line Items]
Variable rate (percent)				6.25%		2.00%
Prime Rate [Member] | Minimum [Member] | Unconsolidated Partnerships [Member]
Schedule of Equity Method Investments [Line Items]
Variable rate (percent)				2.00%
Prime Rate [Member] | Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Variable rate (percent)						8.00%
Prime Rate [Member] | Maximum [Member] | Unconsolidated Partnerships [Member]
Schedule of Equity Method Investments [Line Items]
Variable rate (percent)				8.00%
Prime Rate [Member] | Variable Interest Entity | Lakeside JV [Member]
Schedule of Equity Method Investments [Line Items]
Variable rate (percent)		8.00%