VARIABLE INTEREST ENTITIES FINANCING RECEIVABLES (Details) RSO $ in Thousands	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2015 USD ($) Loan Property	Jun. 29, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) Loan Property	Sep. 30, 2014 USD ($) Loan	Dec. 31, 2014 USD ($) Loan	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 Loan	Dec. 31, 2013 USD ($)
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Loans charged-off	$ (17,263)		$ (7,062)	$ (17,264)	$ (7,058)
Allowance for losses, ending balance:
Individually evaluated for impairment	4		32,522	4	32,522
Collectively evaluated for impairment	0		5	0	5
Financing Receivable, Allowance for Credit Losses	4		32,527	4	$ 32,527	$ 16,990	$ 17,667	$ 39,030		$ 36,243
Loans, ending balance:
Individually evaluated for impairment	25,138			25,138		47,293
Collectively evaluated for impairment	164			164		88
Total Past Due	18,499			18,499		37,076
Current	$ 6,803			$ 6,803		$ 10,305
RSO [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Modifications, Number of Contracts | Loan				4	3
Number of Defaulted Loans | Loan	2			2		2
Financing Receivable, Net	$ 2,129,393			$ 2,129,393		$ 1,935,793
Loans Receivable Held-for-sale, Amount	116,001			116,001		113,675
Financing Receivable, Recorded Investment, Past Due and Current	2,282,263			2,282,263		2,043,606
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0			0		0
Financing Receivable, Modifications, Pre-Modification Recorded Investment				138,031	$ 54,111
Financing Receivable, Modifications, Post-Modification Recorded Investment				99,959	54,111
Specific Allowance	(44,705)			(44,705)		(570)
Impaired Financing Receivable, Recorded Investment	177,204			177,204		169,612
Impaired Financing Receivable, Unpaid Principal Balance	177,148			177,148		169,612
Impaired Financing Receivable, Average Recorded Investment				176,843		170,599
Impaired Financing Receivable, Interest Income, Accrual Method				15,820		15,686
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Allowance for losses at beginning of period				4,613	13,807	13,807
Provision (recovery) for loan losses				43,834		1,804
Loans charged-off				(1,209)		(10,998)
Recoveries				46
Allowance for losses at end of period	47,284			47,284		4,613
Interest income − other	968		$ 1,647	2,919	5,481
Allowance for losses, ending balance:
Individually evaluated for impairment	44,705			44,705		570
Collectively evaluated for impairment	2,579			2,579		4,043
Financing Receivable, Allowance for Credit Losses	47,284			47,284		4,613
Loans, ending balance:
Individually evaluated for impairment	479,023			479,023		418,920
Collectively evaluated for impairment	1,687,239			1,687,239		1,513,232
Capital Leases, Income Statement, Direct Financing Lease Revenue						2,100
Total Past Due	5,620			5,620		1,994
Current	2,276,643			2,276,643		2,041,612
RSO [Member] | Commercial Portfolio Segment [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	1,664,736			1,664,736		1,347,030
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Allowance for losses at beginning of period				4,043	$ 10,416	10,416
Provision (recovery) for loan losses				38,025		(3,758)
Loans charged-off				0		(2,615)
Recoveries				46
Allowance for losses at end of period	42,114			42,114		4,043
Allowance for losses, ending balance:
Individually evaluated for impairment	40,274			40,274		0
Collectively evaluated for impairment	1,840			1,840		4,043
Loans, ending balance:
Individually evaluated for impairment	129,078			129,078		166,180
Collectively evaluated for impairment	1,535,658			$ 1,535,658		1,180,850
RSO [Member] | Whole Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Modifications, Number of Contracts | Loan				3	2
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	129,078			$ 129,078		128,108
Financing Receivable, Net	1,603,385			1,603,385		1,263,592
Financing Receivable, Recorded Investment, Past Due and Current	1,603,385			1,603,385		1,263,592
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0			0		0
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	129,078			129,078		128,108
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment				128,591		130,445
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method				15,659		12,679
Financing Receivable, Modifications, Pre-Modification Recorded Investment				99,959	$ 16,039
Financing Receivable, Modifications, Post-Modification Recorded Investment				99,959	$ 16,039
Impaired Financing Receivable, with Related Allowance, Recorded Investment	2,202			2,202		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	2,202			2,202		0
Specific Allowance	(2,202)			(2,202)		0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment				2,202		0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method				45		0
Impaired Financing Receivable, Recorded Investment	131,280			131,280		128,108
Impaired Financing Receivable, Unpaid Principal Balance	131,280			131,280		128,108
Impaired Financing Receivable, Average Recorded Investment				130,793		130,445
Impaired Financing Receivable, Interest Income, Accrual Method				15,704		12,679
Allowance for losses, ending balance:
Individually evaluated for impairment	2,200			2,200
Loans, ending balance:
Total Past Due	0			0		0
Current	1,603,385			$ 1,603,385		1,263,592
RSO [Member] | B Notes [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Modifications, Number of Contracts | Loan				0	0
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0			$ 0		0
Financing Receivable, Net	15,964			15,964		16,072
Financing Receivable, Recorded Investment, Past Due and Current	15,964			15,964		16,072
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0			0		0
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0			0		0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment				0		0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method				0		0
Financing Receivable, Modifications, Pre-Modification Recorded Investment				0	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment				0	$ 0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0			0		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0			0		0
Specific Allowance	0			0		0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment				0		0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method				0		0
Impaired Financing Receivable, Recorded Investment	0			0		0
Impaired Financing Receivable, Unpaid Principal Balance	0			0		0
Impaired Financing Receivable, Average Recorded Investment				0		0
Impaired Financing Receivable, Interest Income, Accrual Method				0		0
Loans, ending balance:
Total Past Due	0			0		0
Current	15,964			$ 15,964		16,072
RSO [Member] | Mezzanine Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Modifications, Number of Contracts | Loan				1	1
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0			$ 0		38,072
Financing Receivable, Net	45,387			45,387		67,366
Financing Receivable, Recorded Investment, Past Due and Current	45,387			45,387		67,366
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0			0		0
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0			0		38,072
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment				0		38,072
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method				0		2,859
Financing Receivable, Modifications, Pre-Modification Recorded Investment				38,072	$ 38,072
Financing Receivable, Modifications, Post-Modification Recorded Investment				0	$ 38,072
Impaired Financing Receivable, with Related Allowance, Recorded Investment	38,072			38,072		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	38,072			38,072		0
Specific Allowance	(38,072)			(38,072)		0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment				38,072		0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method				0		0
Impaired Financing Receivable, Recorded Investment	38,072			38,072		38,072
Impaired Financing Receivable, Unpaid Principal Balance	38,072			38,072		38,072
Impaired Financing Receivable, Average Recorded Investment				38,072		38,072
Impaired Financing Receivable, Interest Income, Accrual Method				0		2,859
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Interest income − other	3,000	$ 300,000
Allowance for losses, ending balance:
Individually evaluated for impairment	$ 41,100			$ 41,100			$ 38,100
Loans, ending balance:
Number of Properties, Loan Portfolio | Property	13			13
Total Past Due	$ 0			$ 0		0
Current	45,387			$ 45,387		67,366
RSO [Member] | Bank Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Modifications, Number of Contracts | Loan				0	0
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0			$ 0		0
Financing Receivable, Net	152,627			152,627		330,930
Financing Receivable, Recorded Investment, Past Due and Current	152,627			152,627		330,930
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0			0		0
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0			0		0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment				0		0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method				0		0
Financing Receivable, Modifications, Pre-Modification Recorded Investment				0	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment				0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	474			474		1,350
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	474			474		1,350
Specific Allowance	(345)			(345)		(570)
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment				237		0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method				0		0
Impaired Financing Receivable, Recorded Investment	474			474		1,350
Impaired Financing Receivable, Unpaid Principal Balance	474			474		1,350
Impaired Financing Receivable, Average Recorded Investment				237		0
Impaired Financing Receivable, Interest Income, Accrual Method				0		0
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Allowance for losses at beginning of period				570	$ 3,391	3,391
Provision (recovery) for loan losses				1,912		4,173
Loans charged-off				(1,398)		(6,994)
Recoveries				0
Allowance for losses at end of period	1,084			1,084		570
Allowance for losses, ending balance:
Individually evaluated for impairment	345			345		570
Collectively evaluated for impairment	739			739		0
Loans, ending balance:
Individually evaluated for impairment	474			474		1,350
Collectively evaluated for impairment	149,159			149,159		329,580
Total Past Due	474			474		1,350
Current	152,153			$ 152,153		329,580
RSO [Member] | Middle-market Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Modifications, Number of Contracts | Loan				0	0
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0			$ 0		0
Financing Receivable, Net	349,471			349,471		250,113
Financing Receivable, Recorded Investment, Past Due and Current	349,471			349,471		250,113
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing						0
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0			0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment				0		0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method				0		0
Financing Receivable, Modifications, Pre-Modification Recorded Investment				0	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment				0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	4,956			4,956		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	4,900			4,900		0
Specific Allowance	(4,086)			(4,086)		0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment				4,956		0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method				0		0
Impaired Financing Receivable, Recorded Investment	4,956			4,956		0
Impaired Financing Receivable, Unpaid Principal Balance	4,900			4,900		0
Impaired Financing Receivable, Average Recorded Investment				4,956		0
Impaired Financing Receivable, Interest Income, Accrual Method				0		0
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Allowance for losses at beginning of period				0	$ 0	0
Provision (recovery) for loan losses				4,223		92
Loans charged-off				(137)		(92)
Recoveries				0
Allowance for losses at end of period	4,086			4,086		0
Allowance for losses, ending balance:
Individually evaluated for impairment	4,086			4,086		0
Collectively evaluated for impairment	0			0		0
Loans, ending balance:
Individually evaluated for impairment	349,471			349,471		250,113
Collectively evaluated for impairment	0			0		0
Total Past Due	4,956			4,956		0
Current	344,515			$ 344,515		250,113
RSO [Member] | Residential Mortgage Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Modifications, Number of Contracts | Loan				0	0
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	2,422			$ 2,422		2,082
Loans Receivable Held-for-sale, Amount	113,007			113,007		113,393
Financing Receivable, Recorded Investment, Past Due and Current	115,429			115,429		114,256
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0			0		0
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	2,422			2,422		2,082
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment				2,785		2,082
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method				116		148
Financing Receivable, Modifications, Pre-Modification Recorded Investment				0	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment				0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0			0		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0			0		0
Specific Allowance	0			0		0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment				0		0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method				0		0
Impaired Financing Receivable, Recorded Investment	2,422			2,422		2,082
Impaired Financing Receivable, Unpaid Principal Balance	2,422			2,422		2,082
Impaired Financing Receivable, Average Recorded Investment				2,785		2,082
Impaired Financing Receivable, Interest Income, Accrual Method				116		148
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Allowance for losses at beginning of period				0	$ 0	0
Provision (recovery) for loan losses				(110)		0
Loans charged-off				110		0
Recoveries				0
Allowance for losses at end of period	0			0		0
Allowance for losses, ending balance:
Individually evaluated for impairment	0			0		0
Collectively evaluated for impairment	0			0		0
Loans, ending balance:
Individually evaluated for impairment	0			0		0
Collectively evaluated for impairment	2,422			2,422		2,802
Total Past Due	190			190		644
Current	115,239			$ 115,239		113,612
RSO [Member] | Loans Receivable - Related Party [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Modifications, Number of Contracts | Loan				0	0
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0			$ 0		$ 0
Number of Defaulted Loans | Loan						1
Financing Receivable, Recorded Investment, Past Due and Current						$ 1,277
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing						0
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0			0		0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment				0		0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method				0		0
Financing Receivable, Modifications, Pre-Modification Recorded Investment				0	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment				0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0			0		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0			0		0
Specific Allowance	0			0		0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment				0		0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method				0		0
Impaired Financing Receivable, Recorded Investment	0			0		0
Impaired Financing Receivable, Unpaid Principal Balance	0			0		0
Impaired Financing Receivable, Average Recorded Investment				0		0
Impaired Financing Receivable, Interest Income, Accrual Method				0		0
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Allowance for losses at beginning of period				0	$ 0	0
Provision (recovery) for loan losses				(216)		1,297
Loans charged-off				216		(1,297)
Recoveries				0
Allowance for losses at end of period	0			0		0
Allowance for losses, ending balance:
Individually evaluated for impairment	0			0		0
Collectively evaluated for impairment	0			0		0
Loans, ending balance:
Individually evaluated for impairment	0			0		1,277
Collectively evaluated for impairment	0			0		0
Total Past Due						0
Current						1,277
RSO [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for losses, ending balance:
Financing Receivable, Allowance for Credit Losses	0			0		0
RSO [Member] | Receivables Acquired with Deteriorated Credit Quality [Member] | Commercial Portfolio Segment [Member]
Allowance for losses, ending balance:
Financing Receivable, Allowance for Credit Losses	0			0		0
RSO [Member] | Receivables Acquired with Deteriorated Credit Quality [Member] | Bank Loans [Member]
Allowance for losses, ending balance:
Financing Receivable, Allowance for Credit Losses	0			0		0
RSO [Member] | Receivables Acquired with Deteriorated Credit Quality [Member] | Middle-market Loans [Member]
Allowance for losses, ending balance:
Financing Receivable, Allowance for Credit Losses	0			0		0
RSO [Member] | Receivables Acquired with Deteriorated Credit Quality [Member] | Residential Mortgage Loans [Member]
Allowance for losses, ending balance:
Financing Receivable, Allowance for Credit Losses	0			0		0
RSO [Member] | Receivables Acquired with Deteriorated Credit Quality [Member] | Loans Receivable - Related Party [Member]
Allowance for losses, ending balance:
Financing Receivable, Allowance for Credit Losses	0			0		0
RSO [Member] | Nonperforming Financial Instruments [Member] | Bank Loans [Member]
Schedule Of Financing Receivables [Line Items]
Number of Defaulted Loans | Loan									1
Financing Receivable, Net	474			474		1,400
RSO [Member] | Rating 1 [Member] | Commercial Portfolio Segment [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	1,591,962			1,591,962		1,292,596
RSO [Member] | Rating 1 [Member] | Whole Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	1,568,683			1,568,683		1,231,092
RSO [Member] | Rating 1 [Member] | B Notes [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	15,964			15,964		16,072
RSO [Member] | Rating 1 [Member] | Mezzanine Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	7,315			7,315		45,432
RSO [Member] | Rating 1 [Member] | Bank Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	133,727			133,727		291,214
RSO [Member] | Rating 1 [Member] | Middle-market Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	52,206			52,206		0
RSO [Member] | Rating 2 [Member] | Commercial Portfolio Segment [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	32,500			32,500		54,434
RSO [Member] | Rating 2 [Member] | Whole Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	32,500			32,500		32,500
RSO [Member] | Rating 2 [Member] | B Notes [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	0			0		0
RSO [Member] | Rating 2 [Member] | Mezzanine Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	0			0		21,934
RSO [Member] | Rating 2 [Member] | Bank Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	10,836			10,836		32,660
RSO [Member] | Rating 2 [Member] | Middle-market Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	255,237			255,237		240,245
RSO [Member] | Rating 3 [Member] | Commercial Portfolio Segment [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	0			0		0
RSO [Member] | Rating 3 [Member] | Whole Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	0			0		0
RSO [Member] | Rating 3 [Member] | B Notes [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	0			0		0
RSO [Member] | Rating 3 [Member] | Mezzanine Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	0			0		0
RSO [Member] | Rating 3 [Member] | Bank Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	2,148			2,148		5,424
RSO [Member] | Rating 3 [Member] | Middle-market Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	37,072			37,072		9,868
RSO [Member] | Rating 4 [Member] | Commercial Portfolio Segment [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	40,274			40,274		0
RSO [Member] | Rating 4 [Member] | Whole Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	2,202			2,202		0
RSO [Member] | Rating 4 [Member] | B Notes [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	0			0		0
RSO [Member] | Rating 4 [Member] | Mezzanine Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	38,072			38,072		0
RSO [Member] | Rating 4 [Member] | Bank Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	2,448			2,448		0
RSO [Member] | Rating 4 [Member] | Middle-market Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	0			0		0
RSO [Member] | Rating 5 [Member] | Bank Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	$ 474			$ 474		1,350
RSO [Member] | Rating 5 [Member] | Middle-market Loans [Member]
Schedule Of Financing Receivables [Line Items]
Number of Defaulted Loans | Loan	1			1
Financing Receivable, Net	$ 4,956			$ 4,956		0
RSO [Member] | Held for Sale [Member] | Commercial Portfolio Segment [Member]
Schedule Of Financing Receivables [Line Items]
Loans Receivable Held-for-sale, Amount	0			0		0
RSO [Member] | Held for Sale [Member] | Whole Loans [Member]
Schedule Of Financing Receivables [Line Items]
Loans Receivable Held-for-sale, Amount	0			0		0
RSO [Member] | Held for Sale [Member] | B Notes [Member]
Schedule Of Financing Receivables [Line Items]
Loans Receivable Held-for-sale, Amount	0			0		0
RSO [Member] | Held for Sale [Member] | Mezzanine Loans [Member]
Schedule Of Financing Receivables [Line Items]
Loans Receivable Held-for-sale, Amount	0			0		0
RSO [Member] | Held for Sale [Member] | Bank Loans [Member]
Schedule Of Financing Receivables [Line Items]
Financing Receivable, Net	3,000			3,000		282
Loans Receivable Held-for-sale, Amount	2,994			2,994		282
RSO [Member] | Held for Sale [Member] | Middle-market Loans [Member]
Schedule Of Financing Receivables [Line Items]
Loans Receivable Held-for-sale, Amount	0			0		0
Financing Receivables, 30 to 59 Days Past Due [Member] | RSO [Member]
Loans, ending balance:
Total Past Due	0			0		443
Financing Receivables, 30 to 59 Days Past Due [Member] | RSO [Member] | Whole Loans [Member]
Loans, ending balance:
Total Past Due	0			0		0
Financing Receivables, 30 to 59 Days Past Due [Member] | RSO [Member] | B Notes [Member]
Loans, ending balance:
Total Past Due	0			0		0
Financing Receivables, 30 to 59 Days Past Due [Member] | RSO [Member] | Mezzanine Loans [Member]
Loans, ending balance:
Total Past Due	0			0		0
Financing Receivables, 30 to 59 Days Past Due [Member] | RSO [Member] | Bank Loans [Member]
Loans, ending balance:
Total Past Due	0			0		0
Financing Receivables, 30 to 59 Days Past Due [Member] | RSO [Member] | Middle-market Loans [Member]
Loans, ending balance:
Total Past Due	0			0		0
Financing Receivables, 30 to 59 Days Past Due [Member] | RSO [Member] | Residential Mortgage Loans [Member]
Loans, ending balance:
Total Past Due	0			0		443
Financing Receivables, 30 to 59 Days Past Due [Member] | RSO [Member] | Loans Receivable - Related Party [Member]
Loans, ending balance:
Total Past Due						0
Financing Receivables, 60 to 89 Days Past Due [Member] | RSO [Member]
Loans, ending balance:
Total Past Due	0			0		82
Financing Receivables, 60 to 89 Days Past Due [Member] | RSO [Member] | Whole Loans [Member]
Loans, ending balance:
Total Past Due	0			0		0
Financing Receivables, 60 to 89 Days Past Due [Member] | RSO [Member] | B Notes [Member]
Loans, ending balance:
Total Past Due	0			0		0
Financing Receivables, 60 to 89 Days Past Due [Member] | RSO [Member] | Mezzanine Loans [Member]
Loans, ending balance:
Total Past Due	0			0		0
Financing Receivables, 60 to 89 Days Past Due [Member] | RSO [Member] | Bank Loans [Member]
Loans, ending balance:
Total Past Due	0			0		0
Financing Receivables, 60 to 89 Days Past Due [Member] | RSO [Member] | Middle-market Loans [Member]
Loans, ending balance:
Total Past Due	0			0		0
Financing Receivables, 60 to 89 Days Past Due [Member] | RSO [Member] | Residential Mortgage Loans [Member]
Loans, ending balance:
Total Past Due	0			0		82
Financing Receivables, 60 to 89 Days Past Due [Member] | RSO [Member] | Loans Receivable - Related Party [Member]
Loans, ending balance:
Total Past Due						0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | RSO [Member]
Loans, ending balance:
Total Past Due	5,620			5,620		1,469
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | RSO [Member] | Whole Loans [Member]
Loans, ending balance:
Total Past Due	0			0		0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | RSO [Member] | B Notes [Member]
Loans, ending balance:
Total Past Due	0			0		0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | RSO [Member] | Mezzanine Loans [Member]
Loans, ending balance:
Total Past Due	0			0		0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | RSO [Member] | Bank Loans [Member]
Loans, ending balance:
Total Past Due	474			474		1,350
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | RSO [Member] | Middle-market Loans [Member]
Loans, ending balance:
Total Past Due	4,956			4,956		0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | RSO [Member] | Residential Mortgage Loans [Member]
Loans, ending balance:
Total Past Due	190			190		119
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | RSO [Member] | Loans Receivable - Related Party [Member]
Loans, ending balance:
Total Past Due						0
Lease Equity Appreciation Fund II [Member] | RSO [Member] | Loans Receivable - Related Party [Member]
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Provision (recovery) for loan losses	$ 0			$ (216)		$ 1,297