RSO FAIR VALUE OF FINANCIAL INSTRUMENTS (Assets Measured on Recurring Basis) (Details) (Resource Capital Corp [Member], Level 3 [Member], Investments [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Resource Capital Corp [Member] | Level 3 [Member] | Investments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, beginning of year	$ 116,148
Total gains or losses (realized/unrealized):
Impairment recognized in earnings	1,564
Purchases	46,980
Sales	(3,249)
Paydowns	(1,632)
Unrealized gains (losses) – included in accumulated other comprehensive income	2,235
Transfers from level 2	0
Balance, end of period	$ 162,046