VARIABLE INTEREST ENTITIES INTANGIBLE ASSETS (Details) RSO - USD ($) $ in Thousands			3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Dec. 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets				$ 512	$ 1,000	$ 1,000
Amortization expense, current			$ 2,000		2,000
Amortization expense, year two			1,800		1,800
Amortization expense, year three			1,800		1,800
Amortization expense, year four			1,600		1,600
Amortization expense, year five			1,000		$ 1,000
Weighted average amortization period					6 years 2 months 12 days		6 years 7 months 6 days
RSO [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets			513
Fee income			3,446	2,322	$ 5,051	4,822
RSO [Member] | Servicing Contracts [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets			1,000	396	1,800	652
Amortization expense, year two			3,400		3,400
Amortization expense, year three			3,300		3,300
Amortization expense, year four			3,100		3,100
Amortization expense, year five			2,500		2,500
Weighted average amortization period	1 year 2 months 12 days	1 year 4 months 24 days
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year			3,500		3,500
Principal Amount Outstanding of Loans Held-in-portfolio		$ 894,767	1,448,612		1,448,612		$ 894,767	$ 433,153
Investment in RCAM [Member] | RSO [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fee income			$ 896	$ 1,100	$ 1,900	$ 2,800