RSO FAIR VALUE OF FINANCIAL INSTRUMENTS (Fair Value, by Balance Sheet Grouping) (Details) (Resource Capital Corp [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held-for-investment	$ 1,305,739	$ 1,793,780
Loans receivable-related party	8,067	8,324
CDO notes	1,166,209	1,614,883
Junior subordinated notes	50,956	50,814
Repurchase agreement	205,265	106,303
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held-for-investment	1,299,103	1,848,617
Loans receivable-related party	8,067	8,324
CDO notes	1,020,919	1,405,124
Junior subordinated notes	17,450	17,308
Repurchase agreement	205,265	106,303
Level 1 [Member] | Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held-for-investment	0	0
Loans receivable-related party	0	0
CDO notes	0	0
Junior subordinated notes	0	0
Repurchase agreement	0	0
Level 2 [Member] | Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held-for-investment	568,545	1,186,642
Loans receivable-related party	0	0
CDO notes	1,020,919	1,405,124
Junior subordinated notes	0	0
Repurchase agreement	0	0
Level 3 [Member] | Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held-for-investment	730,558	661,975
Loans receivable-related party	8,067	8,324
CDO notes	0	0
Junior subordinated notes	17,450	17,308
Repurchase agreement	$ 205,265	$ 106,303