BORROWINGS (Short-Term Repurchase Agreements) (Details) RSO (USD $)	3 Months Ended			12 Months Ended		3 Months Ended		3 Months Ended
	Dec. 31, 2012 Resource Capital Corp [Member] Security	Sep. 30, 2012 Resource Capital Corp [Member]	Dec. 31, 2012 Deutsche Bank Securities, Inc [Member] RCC Real Estate [Member] Short-Term Repurchase Agreements [Member]	Dec. 31, 2012 Deutsche Bank Securities, Inc [Member] RCC Real Estate [Member] Short-Term Repurchase Agreements [Member]	Sep. 30, 2012 Deutsche Bank Securities, Inc [Member] RCC Real Estate [Member] Short-Term Repurchase Agreements [Member]	Dec. 31, 2012 Wells Fargo Securities, LLC [Member] RCC Real Estate [Member] Short-Term Repurchase Agreements [Member]	Sep. 30, 2012 Wells Fargo Securities, LLC [Member] RCC Real Estate [Member] Short-Term Repurchase Agreements [Member]	Dec. 31, 2012 JP Morgan Securities, LLC [Member] RCC Real Estate [Member] Short-Term Repurchase Agreements [Member]
Debt Instrument [Line Items]
Debt instrument term				12 years
Principal outstanding			$ 3,100,000	$ 3,100,000		$ 5,400,000	$ 0	$ 4,700,000
Number of CMBS bonds securing repurchase agreement	2
CMBS bonds held as collateral, fair value			5,100,000	5,100,000	0	8,500,000		7,200,000
Description of variable rate basis			one-month LIBOR			one-month LIBOR		one-month LIBOR
Basis spread on variable rate (in hundredths)			1.25%	1.25%		1.25%		0.80%
Debt instrument, weighted average interest rate			1.46%	1.46%		1.46%		1.01%
Amount at Risk Under Facility [Abstract]
Amount at Risk			2,069,000	2,069,000		1,956,000		2,544,000
Weighted Average Maturity in Days	12 years 6 months	14 years 0 months	7 days			28 days		11 days
Weighted Average Interest Rate			1.46%	1.46%		1.46%		1.01%
Linked repurchase agreement borrowings included as derivative instruments						$ 3,500,000		$ 4,700,000