RSO FAIR VALUE OF FINANCIAL INSTRUMENTS (Assets and Liabilities Measured at Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Assets:
Investment securities, trading	$ 6,645	$ 5,365
Investment securities available-for-sale	5,842	5,211
Resource Capital Corp [Member]
Assets:
Investment securities, trading	12,266	24,843
Investment securities available-for-sale	235,008	231,590
CMBS - linked transactions	25,281	6,835
Resource Capital Corp [Member] | Recurring Basis [Member]
Assets:
Investment securities, trading	12,266	24,843
Investment securities available-for-sale	235,008	231,590
CMBS - linked transactions	25,281	6,835
Total assets at fair value	272,555	263,268
Liabilities:
Derivatives (net)	12,705	14,687
Total	12,705	14,687
Resource Capital Corp [Member] | Recurring Basis [Member] | Level 1 [Member]
Assets:
Investment securities, trading	0	0
Investment securities available-for-sale	12,775	9,757
CMBS - linked transactions	0	0
Total assets at fair value	12,775	9,757
Liabilities:
Derivatives (net)	0	0
Total	0	0
Resource Capital Corp [Member] | Recurring Basis [Member] | Level 2 [Member]
Assets:
Investment securities, trading	0	0
Investment securities available-for-sale	110,924	132,561
CMBS - linked transactions	9,517	4,802
Total assets at fair value	120,441	137,363
Liabilities:
Derivatives (net)	469	610
Total	469	610
Resource Capital Corp [Member] | Recurring Basis [Member] | Level 3 [Member]
Assets:
Investment securities, trading	12,266	24,843
Investment securities available-for-sale	111,309	89,272
CMBS - linked transactions	15,764	2,033
Total assets at fair value	139,339	116,148
Liabilities:
Derivatives (net)	12,236	14,077
Total	$ 12,236	$ 14,077