VARIABLE INTEREST ENTITIES VARIABLE INTEREST ENTITIES (Details) RSO (USD $)			1 Months Ended		3 Months Ended		6 Months Ended			0 Months Ended	1 Months Ended	3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended			1 Months Ended		0 Months Ended	6 Months Ended		0 Months Ended			6 Months Ended				1 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	May 31, 2013 RSO [Member]	Oct. 31, 2012 RSO [Member]	Jun. 30, 2014 RSO [Member]	Jun. 30, 2013 RSO [Member]	Jun. 30, 2014 RSO [Member] credit	Jun. 30, 2013 RSO [Member]	Dec. 31, 2013 RSO [Member]	Nov. 16, 2011 RSO [Member] Series B Preferred Stock [Member]	Feb. 28, 2011 RSO [Member] Investment in RCAM [Member] Entity	Jun. 30, 2014 RSO [Member] Investment in RCAM [Member]	Jun. 30, 2013 RSO [Member] Investment in RCAM [Member]	Jun. 30, 2014 RSO [Member] Investment in RCAM [Member]	Jun. 30, 2013 RSO [Member] Investment in RCAM [Member]	Dec. 31, 2013 RSO [Member] Investment in RCAM [Member]	Jun. 30, 2014 RSO [Member] Entity	Jun. 30, 2013 RSO [Member]	Jun. 30, 2014 RSO [Member] Entity	Jun. 30, 2013 RSO [Member]	Jun. 30, 2014 RSO [Member] Moselle [Member]	May 31, 2013 RSO [Member] Investment in RCAM [Member]	Oct. 31, 2012 RSO [Member] Investment in RCAM [Member]	Nov. 16, 2011 RSO [Member] Variable Interest Entity, Not Primary Beneficiary [Member] LEAF [Member]	Jun. 30, 2014 RSO [Member] Variable Interest Entity, Not Primary Beneficiary [Member] LEAF [Member] Position	Dec. 31, 2013 RSO [Member] Variable Interest Entity, Not Primary Beneficiary [Member] LEAF [Member]	Nov. 16, 2011 RSO [Member] Variable Interest Entity, Not Primary Beneficiary [Member] LEAF [Member] Series A Preferred Stock [Member]	Nov. 16, 2011 RSO [Member] Variable Interest Entity, Not Primary Beneficiary [Member] LEAF [Member] Series B Preferred Stock [Member]	Nov. 16, 2011 RSO [Member] Variable Interest Entity, Not Primary Beneficiary [Member] LEAF [Member] Series D Preferred Stock [Member]	Jun. 30, 2014 RSO [Member] Variable Interest Entity, Not Primary Beneficiary [Member] Investment in RCT I and RCT II [Member]	Jun. 30, 2014 RSO [Member] Variable Interest Entity, Not Primary Beneficiary [Member] Interest in RCT I [Member]	Jun. 30, 2014 RSO [Member] Variable Interest Entity, Not Primary Beneficiary [Member] Interest in RCT II [Member]	Feb. 28, 2011 RSO [Member] Variable Interest Entity, Not Primary Beneficiary [Member] Investment in RCAM [Member] Entity	Feb. 28, 2014 Class 1 Subordinated Notes [Member] RSO [Member] Moselle [Member]	Feb. 28, 2014 Class 2 Subordinated Notes [Member] RSO [Member] Moselle [Member]
Variable Interest Entity [Line Items]
Number of consolidated VIEs																	9		9
Number of VIEs for which persons of power are considered a related party group																	7		7
Number Of Credits Supported In VIEs							2
Financial support provided to VIEs																	$ 10,000	$ 688,000	$ 549,000	$ 1,900,000
Shares received in equity method transaction (in shares)																											31,341	4,872	2,364
Preferred stock, coupon authorized										8.00%
Ownership percentage in VIE			68.30%																					26.70%	28.30%					100.00%
Investments in unconsolidated entities					60,480,000		60,480,000		69,069,000															36,300,000	40,100,000	41,000,000				1,500,000
Payments to Acquire Equity Method Investments																					40,000,000
Percentage of Outstanding Notes Purchased																																		100.00%	67.90%
Variable interest entity, number of board positions held by the company																									2
Variable interest entity, total number of board positions																									6
Percentage of total value of trusts owned																															3.00%	3.00%
Borrowings	20,558,000	20,619,000			1,579,985,000		1,579,985,000		1,320,015,000																						25,800,000	25,800,000
Number of CLOs held by purchased entity											5																						4
Acquisition											22,500,000
Intangible assets					10,771,000		10,771,000		11,822,000			10,300,000		10,300,000		11,200,000
Fee income					$ 2,717,000	$ 1,527,000	$ 5,473,000	$ 2,937,000				$ 1,100,000	$ 1,500,000	$ 2,800,000	$ 2,900,000
Preferred equity acquired				66.60%																		68.30%	66.60%