VARIABLE INTEREST ENTITIES INTANGIBLE ASSETS (Details) RSO (USD $)	12 Months Ended		1 Months Ended	12 Months Ended					1 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Oct. 31, 2012 RSO [Member]	Dec. 31, 2012 RSO [Member]	Dec. 31, 2011 RSO [Member]	Dec. 31, 2012 RSO [Member] Investment in RCAM [Member]	Dec. 31, 2011 RSO [Member] Investment in RCAM [Member]	Dec. 31, 2012 RSO [Member] Depreciation and Amortization [Member]	Oct. 31, 2012 RSO [Member] CVC Capital Partners [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Preferred equity acquired			66.60%						66.60%
Write-off of unamortized balance of intangible asset			$ 2,600,000
Depreciation and amortization	3,653,000	10,739,000		5,885,000	4,619,000			657,000
Expected amortization, 2013				1,900,000
Expected amortization, 2014				1,800,000
Expected amortization, 2015				1,800,000
Expected amortization, 2016				1,800,000
Expected amortization, 2017				1,800,000
Weighted average amortization period (in years)				8 years 8 months 12 days	8 years
Accumulated amortization				10,511,000	3,890,000	8,108,000	2,237,000
Fee income				$ 7,068,000	$ 7,789,000	$ 7,200,000	$ 7,800,000