VARIABLE INTEREST ENTITIES BORROWINGS (Unsecured Junior Subordinated Debentures) (Details) RSO (USD $)				12 Months Ended
	Jan. 31, 2013	Dec. 31, 2013 RSO [Member]	Dec. 31, 2012 RSO [Member]	Dec. 31, 2013 RSO [Member] Unsecured Junior Subordinated Debentures [Member]	Dec. 31, 2012 RSO [Member] Unsecured Junior Subordinated Debentures [Member]	Dec. 31, 2012 RSO [Member] Interest in RCT I [Member]	Dec. 31, 2012 RSO [Member] Interest in RCT I [Member] Unsecured Junior Subordinated Debentures [Member]	Dec. 31, 2012 RSO [Member] Interest in RCT II [Member]	Dec. 31, 2012 RSO [Member] Interest in RCT II [Member] Unsecured Junior Subordinated Debentures [Member]	Dec. 31, 2013 RSO [Member] RCT I entity [Member] Unsecured Junior Subordinated Debentures [Member]	Dec. 31, 2012 RSO [Member] RCT I entity [Member] Unsecured Junior Subordinated Debentures [Member]	May 31, 2006 RSO [Member] RCT I entity [Member] Unsecured Junior Subordinated Debentures [Member]	Dec. 31, 2013 RSO [Member] RCT II entity [Member] Unsecured Junior Subordinated Debentures [Member]	Dec. 31, 2012 RSO [Member] RCT II entity [Member] Unsecured Junior Subordinated Debentures [Member]	Sep. 30, 2006 RSO [Member] RCT II entity [Member] Unsecured Junior Subordinated Debentures [Member]	Dec. 31, 2012 RSO [Member] Variable Interest Entity, Not Primary Beneficiary [Member] Interest in RCT II [Member]
Debt Instrument [Line Items]
Ownership percentage	10.00%															100.00%
Face amount of debt issued												$ 25,800,000			$ 25,800,000
Debt issuance costs, amortization period				10 years
Unamortized debt issuance costs		16,216,000	24,924,000	543,000	734,000					261,000	358,000		282,000	377,000
Interest rate at period end (in hundredths)										4.20%	4.26%		4.19%	4.26%
Investments in unconsolidated entities		$ 74,438,000	$ 45,413,000			$ 774,000	$ 774,000	$ 774,000	$ 774,000