SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Investments in Unconsolidated Loan Manager and Entities) (Details)	Sep. 30, 2012
Resource Real Estate Opportunity REIT Inc [Member] | Maximum [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership percentage of shares outstanding (in hundreths)	1.00%
Accounts at Investment Properties [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of investments	1
Financial fund management [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of investments	7
Number of CDOs	13
Commercial Finance [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of investments	4
Limited Partner [Member] | Accounts at Investment Properties [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of investments	9
Limited Liability Company [Member] | Accounts at Investment Properties [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of investments	4
Tenant in Common [Member] | Accounts at Investment Properties [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of investments	6
Parent [Member] | General Partner [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Preferred equity interest retained as a percentage of incentive management fees (in hundredths)	75.00%