FINANCING RECEIVABLES (Past Due Financing Receivables) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Loans and receivables from managed entities and related parties:
Current	$ 11,013	$ 12,333
Total Past Due	11,613	14,540
Total	22,626	26,873
Commercial finance investment entities
Loans and receivables from managed entities and related parties:
Current	0	0
Total Past Due	1,044	1,289
Total	1,044	1,289
Real estate investment entities
Loans and receivables from managed entities and related parties:
Current	3,832	7,909
Total Past Due	10,482	13,237
Total	14,314	21,146
Financial fund management entities
Loans and receivables from managed entities and related parties:
Current	1,191	1,582
Total Past Due	80	0
Total	1,271	1,582
RSO
Loans and receivables from managed entities and related parties:
Current	2,888	2,331
Total Past Due	0	0
Total	2,888	2,331
Other
Loans and receivables from managed entities and related parties:
Current	2,910	319
Total Past Due	0	0
Total	2,910	319
Receivables from Managed Entities
Loans and receivables from managed entities and related parties:
Current	10,821	12,141
Total Past Due	11,606	14,526
Total	22,427	26,667
Rent receivables - real estate
Loans and receivables from managed entities and related parties:
Current	192	192
Total Past Due	7	14
Total	199	206
30-89 Days Past Due
Loans and receivables from managed entities and related parties:
Total Past Due	380	416
30-89 Days Past Due | Commercial finance investment entities
Loans and receivables from managed entities and related parties:
Total Past Due	18	16
30-89 Days Past Due | Real estate investment entities
Loans and receivables from managed entities and related parties:
Total Past Due	330	392
30-89 Days Past Due | Financial fund management entities
Loans and receivables from managed entities and related parties:
Total Past Due	31	0
30-89 Days Past Due | RSO
Loans and receivables from managed entities and related parties:
Total Past Due	0	0
30-89 Days Past Due | Other
Loans and receivables from managed entities and related parties:
Total Past Due	0	0
30-89 Days Past Due | Receivables from Managed Entities
Loans and receivables from managed entities and related parties:
Total Past Due	379	408
30-89 Days Past Due | Rent receivables - real estate
Loans and receivables from managed entities and related parties:
Total Past Due	1	8
90-180 Days Past Due
Loans and receivables from managed entities and related parties:
Total Past Due	844	965
90-180 Days Past Due | Commercial finance investment entities
Loans and receivables from managed entities and related parties:
Total Past Due	60	73
90-180 Days Past Due | Real estate investment entities
Loans and receivables from managed entities and related parties:
Total Past Due	755	890
90-180 Days Past Due | Financial fund management entities
Loans and receivables from managed entities and related parties:
Total Past Due	28	0
90-180 Days Past Due | RSO
Loans and receivables from managed entities and related parties:
Total Past Due	0	0
90-180 Days Past Due | Other
Loans and receivables from managed entities and related parties:
Total Past Due	0	0
90-180 Days Past Due | Receivables from Managed Entities
Loans and receivables from managed entities and related parties:
Total Past Due	843	963
90-180 Days Past Due | Rent receivables - real estate
Loans and receivables from managed entities and related parties:
Total Past Due	1	2
Greater than 181 Days
Loans and receivables from managed entities and related parties:
Total Past Due	10,389	13,159
Greater than 181 Days | Commercial finance investment entities
Loans and receivables from managed entities and related parties:
Total Past Due	966	1,200
Greater than 181 Days | Real estate investment entities
Loans and receivables from managed entities and related parties:
Total Past Due	9,397	11,955
Greater than 181 Days | Financial fund management entities
Loans and receivables from managed entities and related parties:
Total Past Due	21	0
Greater than 181 Days | RSO
Loans and receivables from managed entities and related parties:
Total Past Due	0	0
Greater than 181 Days | Other
Loans and receivables from managed entities and related parties:
Total Past Due	0	0
Greater than 181 Days | Receivables from Managed Entities
Loans and receivables from managed entities and related parties:
Total Past Due	10,384	13,155
Greater than 181 Days | Rent receivables - real estate
Loans and receivables from managed entities and related parties:
Total Past Due	$ 5	$ 4