VARIABLE INTEREST ENTITIES BORROWINGS (Unsecured Junior Subordinated Debentures) (Details) RSO (RSO [Member], USD $)			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Unsecured Junior Subordinated Debentures [Member]	Dec. 31, 2012 Interest in RCT I [Member]	Dec. 31, 2012 Interest in RCT I [Member] Unsecured Junior Subordinated Debentures [Member]	Dec. 31, 2012 Interest in RCT II [Member]	Dec. 31, 2012 Interest in RCT II [Member] Unsecured Junior Subordinated Debentures [Member]	Dec. 31, 2012 RCT I entity [Member] Unsecured Junior Subordinated Debentures [Member]	Dec. 31, 2011 RCT I entity [Member] Unsecured Junior Subordinated Debentures [Member]	May 31, 2006 RCT I entity [Member] Unsecured Junior Subordinated Debentures [Member]	Dec. 31, 2012 RCT II entity [Member] Unsecured Junior Subordinated Debentures [Member]	Dec. 31, 2011 RCT II entity [Member] Unsecured Junior Subordinated Debentures [Member]	Sep. 30, 2006 RCT II entity [Member] Unsecured Junior Subordinated Debentures [Member]	Dec. 31, 2012 Variable Interest Entity, Not Primary Beneficiary [Member] Interest in RCT I [Member] Unsecured Junior Subordinated Debentures [Member]	Dec. 31, 2012 Variable Interest Entity, Not Primary Beneficiary [Member] Interest in RCT II [Member]
Debt Instrument [Line Items]
Ownership percentage (in hundredths)														100.00%	100.00%
Face amount of debt issued										$ 25,800,000			$ 25,800,000
Debt issuance costs, amortization period			10 years
Unamortized debt issuance costs	0	65,000						358,000	450,000		377,000	467,000
Interest rate at period end (in hundredths)								4.26%	4.32%		4.26%	4.38%
Investments in unconsolidated entities	$ 45,413,000	$ 47,899,000		$ 774,000	$ 774,000	$ 774,000	$ 774,000