CONSOLIDATING FINANCIAL INFORMATION (Consolidating Statements of Operations) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
REVENUES:
Revenues from external customers	$ 53,115,000	$ 33,485,000	$ 102,417,000	$ 76,812,000
COSTS AND EXPENSES:
General and administrative	2,729,000	2,149,000	5,883,000	4,302,000
Provision for credit losses	1,575,000	1,647,000	2,783,000	1,985,000
Depreciation and amortization	465,000	489,000	916,000	905,000
Costs and expenses	33,584,000	23,361,000	62,069,000	51,815,000
OPERATING INCOME	19,531,000	10,124,000	40,348,000	24,997,000
Other-than-temporary impairment on investments				(214,000)
Interest expense	(497,000)	(501,000)	(980,000)	(995,000)
Other income (expense), net	2,538,000	114,000	1,390,000	334,000
Total other revenue (expense)	2,411,000	(387,000)	780,000
Income from continuing operations before taxes	21,942,000	9,737,000	41,128,000	24,122,000
Income tax provision	1,735,000	226,000	2,820,000
Net income	20,207,000	9,511,000	38,308,000	22,278,000
Net income attributable to common shareholders	2,718,000	1,113,000	3,708,000	1,609,000
Income from continuing operations	2,718,000	1,113,000	3,708,000	1,611,000
Discontinued operations	0	0	0	(2,000)
Intersegment Eliminations [Member]
REVENUES:
Revenues from external customers	(3,040,000)	(2,725,000)	(5,920,000)	(5,425,000)
COSTS AND EXPENSES:
Costs and expenses	(3,053,000)	(2,663,000)	(5,872,000)	(5,317,000)
Other income (expense), net	11,000
Total other revenue (expense)		31,000	29,000
Consolidation, Eliminations [Member]
REVENUES:
Revenues from external customers	(3,040,000)	(2,725,000)	(5,920,000)	(5,425,000)
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	(2,607,000)	(4,400,000)	(5,442,000)
OPERATING INCOME	(433,000)	1,675,000	(478,000)
Other-than-temporary impairment on investments				0
Interest expense	0	0	0	0
Other income (expense), net	(561,000)	(526,000)	(1,115,000)	(1,051,000)
Total other revenue (expense)	(561,000)	(526,000)	(1,115,000)
Income from continuing operations before taxes	(994,000)	1,149,000	(1,593,000)
Income tax provision	(446,000)	1,737,000	(430,000)
Net income	(548,000)	(588,000)	(1,163,000)
Net income attributable to common shareholders	(14,928,000)	(7,160,000)	(30,350,000)
Income from continuing operations		(7,160,000)
Discontinued operations		0
RAI [Member]
REVENUES:
Real estate	13,448,000	12,153,000	26,723,000	23,493,000
Financial fund management	8,141,000	2,445,000	15,216,000	6,732,000
Commercial finance	(42,000)	(35,000)	(141,000)	(213,000)
Revenues from external customers	21,547,000	14,563,000	41,798,000	30,012,000
COSTS AND EXPENSES:
Real estate	9,105,000	8,896,000	17,980,000	18,336,000
Financial fund management	2,779,000	1,694,000	7,168,000	4,222,000
Commercial finance	123,000	(219,000)	226,000	(174,000)
General and administrative	2,729,000	2,149,000	5,883,000	4,302,000
Provision for credit losses	1,575,000	1,647,000	2,783,000	1,985,000
Depreciation and amortization	465,000	489,000	916,000	905,000
Costs and expenses	16,776,000	14,656,000	34,956,000	29,576,000
Other-than-temporary impairment on investments	0	0	0	(214,000)
Gain on sale of investment securities, net	370,000	0	370,000	0
Interest expense	(497,000)	(501,000)	(980,000)	(995,000)
Other income (expense), net	18,000	83,000	183,000
Income tax provision	2,181,000	(1,511,000)	3,250,000	(1,657,000)
Net (income) loss attributable to noncontrolling interests	(84,000)	(26,000)	(44,000)	17,000
RAI [Member] | Reportable Legal Entities [Member]
REVENUES:
Real estate	13,448,000	12,153,000	26,723,000
Financial fund management	8,141,000	2,445,000	15,216,000
Commercial finance	(42,000)	(35,000)	(141,000)
Revenues from external customers	21,547,000	14,563,000	41,798,000	30,012,000
COSTS AND EXPENSES:
Real estate	9,105,000	8,896,000	17,980,000
Financial fund management	2,779,000	1,694,000	7,168,000
Commercial finance	123,000	(219,000)	226,000
General and administrative	2,729,000	2,149,000	5,883,000	4,302,000
Provision for credit losses	1,575,000	1,647,000	2,783,000	1,985,000
Depreciation and amortization	465,000	489,000	916,000	905,000
Costs and expenses	16,776,000	14,656,000	34,956,000
OPERATING INCOME	4,771,000	(93,000)	6,842,000
Other-than-temporary impairment on investments			0	(214,000)
Gain on sale of investment securities, net	370,000		370,000
Interest expense	(497,000)	(501,000)	(980,000)	(995,000)
Other income (expense), net	590,000	640,000	1,327,000	1,385,000
Total other revenue (expense)	463,000	139,000	717,000
Income from continuing operations before taxes	5,234,000	46,000	7,559,000
Income tax provision	2,181,000	(1,511,000)	3,250,000
Net income	3,053,000	1,557,000	4,309,000
Net (income) loss attributable to noncontrolling interests	(84,000)	(26,000)	(44,000)
Net income attributable to common shareholders	2,969,000	1,531,000	4,265,000
Income from continuing operations		1,531,000
Discontinued operations		0
RAI [Member] | Consolidation, Eliminations [Member]
COSTS AND EXPENSES:
Other income (expense), net	(572,000)	(557,000)	(1,144,000)
RSO [Member]
REVENUES:
Real estate	2,302,000	2,805,000	4,985,000	5,093,000
Financial fund management	753,000	(111,000)	960,000	270,000
Commercial finance	0	0	0	0
Revenues from external customers	34,608,000	21,647,000	66,539,000	52,225,000
COSTS AND EXPENSES:
Costs and expenses	19,861,000	11,368,000	32,985,000
Expenses of consolidated VIE - RSO	19,861,000		32,985,000	27,556,000
Other income (expense), net	2,509,000		1,178,000
Income tax provision	(446,000)	1,737,000	(430,000)	3,499,000
Net (income) loss attributable to noncontrolling interests	(17,405,000)	(8,372,000)	(34,556,000)	(20,686,000)
RSO [Member] | Reportable Legal Entities [Member]
REVENUES:
Revenues from external customers	34,608,000	21,647,000	66,539,000	52,225,000
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	19,415,000	13,105,000	32,555,000
Expenses of consolidated VIE - RSO	19,415,000		32,555,000
OPERATING INCOME	15,193,000	8,542,000	33,984,000
Other-than-temporary impairment on investments				0
Interest expense	0	0	0	0
Other income (expense), net	2,509,000	0	1,178,000	0
Total other revenue (expense)	2,509,000	0	1,178,000
Income from continuing operations before taxes	17,702,000	8,542,000	35,162,000
Income tax provision	0	0	0
Net income	17,702,000	8,542,000	35,162,000
Net (income) loss attributable to noncontrolling interests	(3,025,000)	(1,800,000)	(5,369,000)
Net income attributable to common shareholders	14,677,000	6,742,000	29,793,000
Income from continuing operations		6,742,000
Discontinued operations		0
RSO [Member] | Consolidation, Eliminations [Member]
COSTS AND EXPENSES:
Costs and expenses		(1,737,000)
Expenses of consolidated VIE - RSO	446,000		430,000
Net (income) loss attributable to noncontrolling interests	$ (14,380,000)	$ (6,572,000)	$ (29,187,000)