CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS (Receivables and Payables from Related Party) (Details)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($) Partnership
Related Party Transaction [Line Items]
Receivables from managed entities and related parties	$ 26,667,000	$ 32,745,000
Payables due to managed entities and related parties, net	3,145,000	3,124,000
Receivables from Managed Entities - Commercial Finance [Member]
Related Party Transaction [Line Items]
Allowance for credit losses, commercial finance	0	$ 17,000,000
Number of partnerships | Partnership		1
Real estate investment entities [Member]
Related Party Transaction [Line Items]
Payable to real estate investment entities, self insurance	3,000,000	$ 2,600,000
Real estate investment entities [Member]
Related Party Transaction [Line Items]
Receivables from managed entities and related parties	21,146,000	23,733,000
Payables due to managed entities and related parties, net	3,110,000	2,942,000
Commercial finance investment entities [Member]
Related Party Transaction [Line Items]
Receivables from managed entities and related parties	1,289,000	2,883,000
Financial Fund Management Investment [Member]
Related Party Transaction [Line Items]
Receivables from managed entities and related parties	1,582,000	663,000
RSO [Member]
Related Party Transaction [Line Items]
Receivables from managed entities and related parties	2,331,000	2,442,000
Payables due to managed entities and related parties, net	0	109,000
Other [Member]
Related Party Transaction [Line Items]
Receivables from managed entities and related parties	319,000	488,000
Payables due to managed entities and related parties, net	35,000	73,000
CVC Credit Partners, LLC [Member]
Related Party Transaction [Line Items]
Receivables from managed entities and related parties	$ 0	$ 2,536,000