CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS (Receivables and Payables from Related Party) (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Related Party Transaction [Line Items]
Receivables from managed entities and related parties	$ 26,787,000	$ 30,303,000
Payables due to managed entities and related parties, net	2,165,000	3,015,000
Real Estate Limited Partnership [Member]
Related Party Transaction [Line Items]
Reserves for credit losses	113,000
Receivables from Managed Entities - Commercial Finance [Member]
Related Party Transaction [Line Items]
Reserves for credit losses	17,200,000	17,000,000
Real estate investment entities [Member]
Related Party Transaction [Line Items]
Payable to real estate investment entities, self insurance	2,000,000	2,600,000
Real estate investment entities [Member]
Related Party Transaction [Line Items]
Receivables from managed entities and related parties	20,326,000	23,733,000
Payables due to managed entities and related parties, net	2,096,000	2,942,000
Commercial finance investment entities [Member]
Related Party Transaction [Line Items]
Receivables from managed entities and related parties	2,738,000	2,883,000
Financial fund management investment entities [Member]
Related Party Transaction [Line Items]
Receivables from managed entities and related parties	1,093,000	663,000
Other [Member]
Related Party Transaction [Line Items]
Receivables from managed entities and related parties	325,000	488,000
Payables due to managed entities and related parties, net	69,000	73,000
CVC Credit Partners [Member]
Related Party Transaction [Line Items]
Receivables from managed entities and related parties	$ 2,305,000	$ 2,536,000