INVESTMENT SECURITIES (Narrative) (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015 USD ($) Facility shares	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) Issuer Facility shares	Sep. 30, 2014 USD ($)	Dec. 31, 2014 Issuer
Schedule of Available-for-sale Securities [Line Items]
Other than Temporary Impairment Losses, Investments	$ 151,000
Purchase of investment			$ 4,457,000
(Gain) loss on trading securities			15,000
Unrealized (gain) loss on trading securities			87,000
RAI [Member]
Schedule of Available-for-sale Securities [Line Items]
Purchase of investment			4,457,000	$ 7,320,000
(Gain) loss on trading securities	(45,000)	$ (855,000)	(72,000)	(1,845,000)
Unrealized (gain) loss on trading securities	$ 45,000	$ (231,000)	$ 87,000	(111,000)
CLO securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of CDO issuers that represent the retained equity interest | Issuer			14		12
Equity securities [Member] | TBBK [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of shares held (in shares) | shares	18,972		18,972
Number of Secured Corporate Credit Facilities | Facility	1		1
Equity securities [Member] | RREDX [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of shares held (in shares) | shares	10,808		10,808
Purchase of investment				$ 109,000
Equity securities [Member] | Resource Credit Income Fund [Member]
Schedule of Available-for-sale Securities [Line Items]
Purchase of investment			$ 215,000
Equity securities [Member] | RRE Global Opportunity Fund [Member]
Schedule of Available-for-sale Securities [Line Items]
Purchase of investment			$ 677,400
Purchase of investment, number of units | shares			749,976