RSO FINANCING RECEIVABLES (Impaired Loans) (Details) (Resource Capital Corp [Member], USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Financing Receivable, Impaired [Line Items]
Net Balance	$ 189,198,000	$ 189,249,000
Unpaid Principal Balance	189,198,000	189,249,000
Specific Allowance	(5,920,000)	(5,378,000)
Average Investment in Impaired Loans	175,981,000	175,330,000
Interest Income Recognized	6,363,000	5,455,000
Whole Loans [Member]
Financing Receivable, Impaired [Line Items]
Loans without a specific valuation allowance, Recorded balance	116,628,000	115,841,000
Loans with a specific valuation allowance, Recorded balance	24,313,000	23,142,000
Net Balance	140,941,000	138,983,000
Loans without a specific valuation allowance, Unpaid Principal Balance	116,628,000	115,841,000
Loans with a specific valuation allowance, Unpaid Principal Balance	24,313,000	23,142,000
Unpaid Principal Balance	140,941,000	138,983,000
Specific Allowance	(3,313,000)	(2,142,000)
Loans without a specific valuation allowance, Average Investment in Impaired Loans	115,037,000	114,682,000
Loans with specific valuation allowance, Average Investment in Impaired Loans	22,872,000	22,576,000
Average Investment in Impaired Loans	137,909,000	137,258,000
Loans without a specific valuation allowance, Interest Income Recognized	4,515,000	3,436,000
Loans with a specific valuation allowance, Interest Income Recognized	995,000	801,000
Interest Income Recognized	5,510,000	4,237,000
B Notes [Member]
Financing Receivable, Impaired [Line Items]
Loans without a specific valuation allowance, Recorded balance	0	0
Loans with a specific valuation allowance, Recorded balance	0	0
Net Balance	0	0
Loans without a specific valuation allowance, Unpaid Principal Balance	0	0
Loans with a specific valuation allowance, Unpaid Principal Balance	0	0
Unpaid Principal Balance	0	0
Specific Allowance	0	0
Loans without a specific valuation allowance, Average Investment in Impaired Loans	0	0
Loans with specific valuation allowance, Average Investment in Impaired Loans	0	0
Average Investment in Impaired Loans	0	0
Loans without a specific valuation allowance, Interest Income Recognized	0	0
Loans with a specific valuation allowance, Interest Income Recognized	0	0
Interest Income Recognized	0	0
Mezzanine Loans [Member]
Financing Receivable, Impaired [Line Items]
Loans without a specific valuation allowance, Recorded balance	38,072,000	38,072,000
Loans with a specific valuation allowance, Recorded balance	0	0
Net Balance	38,072,000	38,072,000
Loans without a specific valuation allowance, Unpaid Principal Balance	38,072,000	38,072,000
Loans with a specific valuation allowance, Unpaid Principal Balance	0	0
Unpaid Principal Balance	38,072,000	38,072,000
Specific Allowance	0	0
Loans without a specific valuation allowance, Average Investment in Impaired Loans	38,072,000	38,072,000
Loans with specific valuation allowance, Average Investment in Impaired Loans	0	0
Average Investment in Impaired Loans	38,072,000	38,072,000
Loans without a specific valuation allowance, Interest Income Recognized	675,000	367,000
Loans with a specific valuation allowance, Interest Income Recognized	0	0
Interest Income Recognized	675,000	367,000
Bank Loans [Member]
Financing Receivable, Impaired [Line Items]
Loans without a specific valuation allowance, Recorded balance	0	0
Loans with a specific valuation allowance, Recorded balance	3,896,000	5,440,000
Net Balance	3,896,000	5,440,000
Loans without a specific valuation allowance, Unpaid Principal Balance	0	0
Loans with a specific valuation allowance, Unpaid Principal Balance	3,896,000	5,440,000
Unpaid Principal Balance	3,896,000	5,440,000
Specific Allowance	(2,607,000)	(3,236,000)
Loans without a specific valuation allowance, Average Investment in Impaired Loans	0	0
Loans with specific valuation allowance, Average Investment in Impaired Loans	0	0
Average Investment in Impaired Loans	0	0
Loans without a specific valuation allowance, Interest Income Recognized	0	0
Loans with a specific valuation allowance, Interest Income Recognized	0	0
Interest Income Recognized	0	0
Loans Receivable - Related Party [Member]
Financing Receivable, Impaired [Line Items]
Loans without a specific valuation allowance, Recorded balance	6,289,000	6,754,000
Loans with a specific valuation allowance, Recorded balance	0	0
Net Balance	6,289,000	6,754,000
Loans without a specific valuation allowance, Unpaid Principal Balance	6,289,000	6,754,000
Loans with a specific valuation allowance, Unpaid Principal Balance	0	0
Unpaid Principal Balance	6,289,000	6,754,000
Specific Allowance	0	0
Loans without a specific valuation allowance, Average Investment in Impaired Loans	0	0
Loans with specific valuation allowance, Average Investment in Impaired Loans	0	0
Average Investment in Impaired Loans	0	0
Loans without a specific valuation allowance, Interest Income Recognized	178,000	851,000
Loans with a specific valuation allowance, Interest Income Recognized	0	0
Interest Income Recognized	$ 178,000	$ 851,000