CONSOLIDATING FINANCIAL INFORMATION (Consolidating Statements of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
REVENUES:
Revenues from external customers	$ 45,996	$ 42,335	$ 88,185	$ 84,951
COSTS AND EXPENSES:
General and administrative	4,181	2,729	7,478	5,883
Provision for credit losses	276	1,575	678	2,783
Depreciation and amortization	515	465	972	916
Costs and expenses	71,833	30,576	108,749	57,222
OPERATING INCOME (LOSS)	(25,837)	11,759	(20,564)	27,729
Impairment on investment in unconsolidated entities	(4,346)		(4,346)
Interest expense	(455)	(497)	(876)	(980)
Other income (expense), net	10,772	10,310	27,135	14,009
Total other revenue (expense)	5,971	10,183	21,913	13,399
Income (loss) from continuing operations before taxes	(19,866)	21,942	1,349	41,128
Income tax provision (benefit)	3,775	1,735	6,866	2,820
Net income (loss)	(23,641)	20,207	(5,517)	38,308
Net income (loss) attributable to common shareholders	(1,652)	2,718	(1,315)	3,708
Reportable Legal Entities [Member]
REVENUES:
Revenues from external customers	(4,104)
COSTS AND EXPENSES:
Costs and expenses	(3,368)
Intersegment Eliminations [Member]
REVENUES:
Revenues from external customers	(4,104)	(3,040)	(8,377)	(5,920)
COSTS AND EXPENSES:
Costs and expenses	(3,368)	(3,053)	(6,736)	(5,872)
Other income (expense), net	4
Total other revenue (expense)		11	15	29
Consolidation, Eliminations [Member]
REVENUES:
Revenues from external customers	(4,104)	(3,040)	(8,377)	(5,920)
COSTS AND EXPENSES:
General and administrative	0	0	0	0
Provision for credit losses	0	0	0	0
Depreciation and amortization	0	0	0	0
Costs and expenses	(3,368)	(3,053)	(6,736)	(5,872)
OPERATING INCOME (LOSS)	(736)	13	(1,641)	(48)
Impairment on investment in unconsolidated entities	0		0
Interest expense	0	0	0	0
Other income (expense), net	(454)	(561)	(921)	(1,115)
Total other revenue (expense)	(454)	(561)	(921)	(1,115)
Income (loss) from continuing operations before taxes	(1,190)	(548)	(2,562)	(1,163)
Income tax provision (benefit)	0	0	0	0
Net income (loss)	(1,190)	(548)	(2,562)	(1,163)
Net income (loss) attributable to common shareholders	29,158	(14,928)	18,559	(30,350)
RAI [Member]
REVENUES:
Real estate	21,116	13,448	38,082	26,723
Financial fund management	4,781	8,141	9,918	15,216
Commercial finance	2	(42)	0	(141)
Revenues from external customers	25,899	21,547	48,000	41,798
COSTS AND EXPENSES:
Real estate	12,082	9,105	23,581	17,980
Financial fund management	3,154	2,779	6,144	7,168
Commercial finance	458	123	1,037	226
General and administrative	4,181	2,729	7,478	5,883
Provision for credit losses	276	1,575	678	2,783
Depreciation and amortization	515	465	972	916
Costs and expenses	20,666	16,776	39,890	34,956
Impairment on investment in unconsolidated entities	(4,346)	0	(4,346)	0
Gain (loss) on sale of investment securities, net	0	(370)	0	(370)
Interest expense	(455)	(497)	(876)	(980)
Other income (expense), net	231	18	67	183
Income tax provision (benefit)	857	2,181	2,101	3,250
Net (income) loss attributable to noncontrolling interests	(63)	(84)	(55)	(44)
RAI [Member] | Reportable Legal Entities [Member]
REVENUES:
Real estate	21,116	13,448	38,082	26,723
Financial fund management	4,781	8,141	9,918	15,216
Commercial finance	2	(42)	0	(141)
Revenues from external customers	25,899	21,547	48,000	41,798
COSTS AND EXPENSES:
Real estate	12,082	9,105	23,581	17,980
Financial fund management	3,154	2,779	6,144	7,168
Commercial finance	458	123	1,037	226
General and administrative	4,181	2,729	7,478	5,883
Provision for credit losses	276	1,575	678	2,783
Depreciation and amortization	515	465	972	916
Costs and expenses	20,666	16,776	39,890	34,956
OPERATING INCOME (LOSS)	5,233	4,771	8,110	6,842
Impairment on investment in unconsolidated entities	(4,346)		(4,346)	0
Gain (loss) on sale of investment securities, net		(370)		(370)
Interest expense	(455)	(497)	(876)	(980)
Other income (expense), net	689	590	1,003	1,327
Total other revenue (expense)	(4,112)	463	(4,219)	717
Income (loss) from continuing operations before taxes	1,121	5,234	3,891	7,559
Income tax provision (benefit)	857	2,181	2,101	3,250
Net income (loss)	264	3,053	1,790	4,309
Net (income) loss attributable to noncontrolling interests	(63)	(84)	(55)	(44)
Net income (loss) attributable to common shareholders	201	2,969	1,735	4,265
RAI [Member] | Consolidation, Eliminations [Member]
COSTS AND EXPENSES:
Interest expense		0
Other income (expense), net	(458)	(572)	(936)	(1,144)
RSO [Member]
REVENUES:
Real estate	2,751	2,302	5,503	4,985
Financial fund management	617	753	1,233	960
Revenues from external customers	24,201	23,828	48,562	49,073
COSTS AND EXPENSES:
Costs and expenses		16,853	75,595	28,138
Expenses of consolidated VIE - RSO	54,535		75,595	28,138
Other income (expense), net	10,537	10,281	27,053	13,797
Income tax provision (benefit)	2,918	(446)	4,765	(430)
Net (income) loss attributable to noncontrolling interests	22,052	(17,405)	4,257	(34,556)
RSO [Member] | Reportable Legal Entities [Member]
REVENUES:
Revenues from external customers	24,201	23,828	48,562	49,073
COSTS AND EXPENSES:
General and administrative	0	0	0	0
Provision for credit losses	0	0	0	0
Depreciation and amortization	0	0	0	0
Costs and expenses	54,535	16,853	75,595	28,138
Expenses of consolidated VIE - RSO			75,595	28,138
OPERATING INCOME (LOSS)	(30,334)	6,975	(27,033)	20,935
Impairment on investment in unconsolidated entities	0		0
Interest expense	0	0	0	0
Other income (expense), net	10,537	10,281	27,053	13,797
Total other revenue (expense)	10,537	10,281	27,053	13,797
Income (loss) from continuing operations before taxes	(19,797)	17,256	20	34,732
Income tax provision (benefit)	2,918	(446)	4,765	(430)
Net income (loss)	(22,715)	17,702	(4,745)	35,162
Net (income) loss attributable to noncontrolling interests	(8,296)	(3,025)	(16,864)	(5,369)
Net income (loss) attributable to common shareholders	(31,011)	$ 14,677	(21,609)	29,793
RSO [Member] | Consolidation, Eliminations [Member]
COSTS AND EXPENSES:
Costs and expenses
Expenses of consolidated VIE - RSO	0		0	0
Net (income) loss attributable to noncontrolling interests	$ 30,348	$ (14,380)	$ 21,121	$ (29,187)